Currently Unify Template uses Font-Awesome Icons verion of 4.4.0
You can find more detailed info about Font Awesome Icons from the offecial plugin page http://fortawesome.github.com/Font-Awesome
 fa-500px  fa-battery-quarter  fa-battery-empty  fa-battery-three-quarters  fa-calendar-plus-o  fa-chrome  fa-contao  fa-fonticons  fa-gg-circle  hand-peace-o  fa-hand-spock-o  fa-hourglass-half  fa-hourglass-o  industry  map-pin  fa-object-ungroup  fa-opera  fa-sticky-note  fa-tripadvisor  fa-y-combinator  fa-amazon  fa-battery-half  fa-battery-full  fa-black-tie  fa-calendar-times-o  fa-clone  fa-creative-commons  fa-genderless  fa-hand-rock-o  fa-hand-pointer-o  fa-hand-paper-o  fa-hourglass-end  fa-hourglass-start  fa-internet-explorer  fa-map-signs  fa-odnoklassniki  fa-optin-monster  fa-sticky-note-o  television  fa-y-combinator  fa-balance-scale  fa-battery-three-quarters  fa-battery-half  fa-calendar-check-o  fa-cc-diners-club  fa-commenting  fa-expeditedssl  fa-get-pocket  fa-hand-lizard-o  fa-hand-rock-o  fa-hourglass  fa-hourglass-end  fa-houzz  fa-map  fa-mouse-pointer  fa-odnoklassniki-square  fa-registered  fa-television  fa-vimeo  fa-battery-empty  fa-battery-full  fa-battery-quarter  fa-calendar-minus-o  fa-cc-jcb  fa-commenting-o  fa-firefox  fa-gg  fa-hand-paper-o  fa-hand-scissors-o  fa-hourglass-start  fa-hourglass-half  fa-i-cursor  fa-map-o  fa-object-group  fa-opencart  fa-safari  fa-trademark  fa-wikipedia-w

45 New Icons in 4.2

 fa-angellist  fa-bell-slash-o  fa-bus  fa-cc-discover  fa-cc-visa  fa-google-wallet  fa-lastfm-square  paint-brush  fa-shekel  toggle-off  fa-twitch  area-chart  bicycle  calculator  cc-mastercard  fa-copyright  fa-ils  fa-line-chart  paypal  sheqel  fa-building  toggle-on  wifi  at  binoculars  fa-cc  fa-paypal  fa-eyedropper  ioxhost  fa-meanpath  fa-pie-chart  fa-slideshare  fa-trash  fa-yelp  fa-bell-slash  fa-birthday-cake  fa-cc-amex  fa-cc-stripe  futbol-o  fa-yahoo  fa-lastfm  fa-newspaper  fa-plug  fa-soccer-ball-o  fa-tty

72 New Icons in 4.1

 fa-car  fa-bomb  fa-child  fa-cube  fa-deviantart  fa-envelope-square  fa-file-code-o  fa-file-pdf-o  fa-file-audio-o  fa-empire  fa-graduation-cap  fa-university  fa-openid  fa-paw  fa-qq  fa-reddit  fa-share-alt  fa-soundcloud  fa-steam  fa-wordpress  fa-building  fa-circle-o-notch  fa-cubes  fa-digg  fa-fax  fa-file-excel-o  fa-file-image-o  fa-file-video-o  fa-git  fa-hacker-news  fa-joomla  fa-paper-plane  fa-pied-piper  fa-rebel  fa-reddit-square  fa-share-alt-square  fa-space-shuttle  fa-steam-square  fa-vine  fa-yahoo  fa-behance  fa-circle-thin  fa-database  fa-drupal  fa-file-archive-o  fa-file-image-o  fa-file-image-o  fa-file-word-o  fa-git-square  fa-header  fa-jsfiddle  fa-paper-plane-o  fa-pied-piper-alt  fa-slack  fa-spoon  fa-stumbleupon  fa-tencent-weibo  fa-weixin  fa-codepen  fa-delicious  fa-car  fa-file-audio-o  fa-file-video-o  fa-powerpoint-o  fa-archive-o  fa-google  fa-history  fa-language  fa-graduation-cap  fa-paragraph  fa-pied-piper  fa-recycle  fa-sliders  fa-spotify  fa-stumbleupon-circle  fa-tree
 fa-adjust  fa-arrows-h  fa-ban  fa-bars  fa-bolt  fa-bookmark-o  fa-building-o  fa-calendar  fa-caret-square-o-up  fa-check-circle-o  fa-circle  fa-clock-o  fa-code  fa-cogs  fa-comments-o  fa-crosshairs  fa-tachometer  fa-tachometer  fa-envelope  fa-exchange  fa-external-link  fa-fax  fa-fire-extinguisher  fa-bolt  fa-folder-open  fa-gavel  fa-glass  fa-hdd-o  fa-history  fa-info  fa-keyboard-o  fa-gavel  fa-location-arrow  fa-share  fa-map-marker  fa-minus  fa-mobile  fa-paper-plane-o  fa-pencil-square-o  fa-picture-o  fa-plus-square  fa-puzzle-piece  fa-quote-left  fa-refresh  fa-retweet  fa-rss-square  fa-paper-plane  fa-share-alt-square  fa-shopping-cart  fa-sort-alpha-asc  fa-sort-asc  fa-sort-numeric-desc  fa-star-half  fa-star-o  fa-star-o  fa-tablet  fa-tasks  fa-thumbs-down  fa-ticket  fa-tint  fa-caret-square-o-up  fa-truck  fa-unlock-alt  fa-users  fa-volume-up  fa-anchor  fa-arrows-v  fa-beer  fa-briefcase  fa-bullhorn  fa-calendar-o  fa-caret-square-o-down  fa-certificate  fa-check-square  fa-circle-o  fa-cloud  fa-code-fork  fa-comment  fa-compass  fa-database  fa-exclamation  fa-external-link-square  fa-female  fa-film  fa-flag  fa-flask  fa-folder-open-o  fa-cog  fa-globe  fa-headphones  fa-home  fa-info-circle  fa-lock  fa-reply  fa-meh-o  fa-minus-circle  fa-mobile  fa-music  fa-mobile  fa-phone  fa-plane  fa-plus-square-o  fa-qrcode  fa-sort-alpha-desc  fa-sort-desc  fa-sort-asc  fa-square  fa-star-half-o  fa-suitcase  fa-times  fa-caret-square-o-down  fa-trash-o  fa-umbrella  fa-sort  fa-video-camera  fa-exclamation-triangle  fa-archive  fa-asterisk  fa-bar-chart-o  fa-bell  fa-book  fa-bug  fa-bullseye  fa-caret-square-o-left  fa-check  fa-check-square-o  fa-circle-o-notch  fa-cloud-download  fa-coffee  fa-comment-o  fa-credit-card  fa-cubes  fa-desktop  fa-ellipsis-h  fa-envelope-square  fa-exclamation-circle  fa-desktop  fa-exclamation-circle  fa-eye  fa-fighter-jet  fa-file-excel-o  fa-filter  fa-checkered  fa-folder  fa-frown-o  fa-cogs  fa-heart  fa-laptop  fa-level-down  fa-magic  fa-reply-all  fa-microphone  fa-minus-square  fa-money  fa-bars  fa-pencil  fa-phone-square  fa-plus  fa-power-off  fa-question  fa-random  fa-reply  fa-rocket  fa-search-minus  fa-share  fa-share-square-o  fa-sign-out  fa-smile-o  fa-sort-amount-asc  fa-space-shuttle  fa-square-o  fa-tag  fa-terminal  fa-thumbs-o-up  fa-times-circle  fa-caret-square-o-left  fa-upload  fa-volume-down  fa-wheelchair  fa-arrows  fa-barcode  fa-bell-o  fa-bookmark  fa-camera-retro  fa-caret-square-o-right  fa-check-circle  fa-child  fa-circle-thin  fa-cloud-upload  fa-cog  fa-comments  fa-crop  fa-cutlery  fa-dot-circle-o  fa-ellipsis-v  fa-eraser  fa-eye-slash  fa-file-archive-o  fa-file-image-o  fa-file-word-o  fa-fire  fa-flag-o  fa-folder-o  fa-gamepad  fa-gift  fa-users  fa-heart-o  fa-inbox  fa-key  fa-leaf  fa-level-up  fa-lightbulb-o  fa-magnet  fa-male  fa-microphone-slash  fa-minus-square-o  fa-moon-o  fa-pencil-square  fa-plus-circle  fa-print  fa-question-circle  fa-reply-all  fa-rss  fa-search-plus  fa-share-alt  fa-shield  fa-signal  fa-sort  fa-sort-amount-desc  fa-sort-numeric-asc  fa-spinner  fa-star  fa-star-half-o  fa-tags  fa-thumb-tack  fa-thumbs-up  fa-times-circle-o  fa-caret-square-o-right  fa-trophy  fa-unlock  fa-user  fa-volume-off  fa-wrench
 fa-angle-double-down  fa-angle-down  fa-arrow-circle-down  fa-arrow-circle-o-right  fa-arrow-down  fa-arrows  fa-caret-down  fa-caret-square-o-left  fa-chevron-circle-down  fa-hand-o-down  fa-long-arrow-down  fa-caret-square-o-down  fa-angle-double-left  fa-angle-left  fa-arrow-circle-left  fa-arrow-circle-o-up  fa-arrow-left  fa-arrows-alt  fa-caret-left  fa-caret-square-o-right  fa-chevron-circle-left  fa-chevron-left  fa-hand-o-left  fa-long-arrow-left  fa-caret-square-o-left  fa-angle-double-right  fa-angle-right  fa-arrow-circle-o-down  fa-arrow-circle-right  fa-arrow-right  fa-arrows-h  fa-caret-right  fa-caret-square-o-up  fa-chevron-circle-right  fa-chevron-right  fa-hand-o-right  fa-long-arrow-right  fa-caret-square-o-right  fa-angle-double-up  fa-angle-up  fa-arrow-circle-o-left  fa-arrow-circle-up  fa-arrow-circle-o-left  fa-arrow-circle-up  fa-arrow-up  fa-arrows-v  fa-caret-square-o-down  fa-caret-up  fa-chevron-circle-up  fa-chevron-up  fa-hand-o-up  fa-long-arrow-up  fa-caret-square-o-up
 fa-adn  fa-behance-square  fa-btc  fa-deviantart  fa-drupal  fa-flickr  fa-git-square  fa-drupal  fa-flickr  fa-git-square  fa-gittip  fa-hacker-news  fa-jsfiddle  fa-maxcdn  fa-pied-piper-alt  fa-qq  fa-reddit-square  fa-stack-exchange  fa-skype  fa-stumbleupon  fa-tumblr  fa-vimeo-square  fa-weibo  fa-xing  fa-youtube-play  fa-android  fa-bitbucket  fa-codepen  fa-digg  fa-empire  fa-foursquare  fa-github  fa-google  fa-html5  fa-linkedin  fa-openid  fa-pied-piper  fa-rebel  fa-renren  fa-slack  fa-stack-overflow  fa-stumbleupon-circle  fa-tumblr-square  fa-vine  fa-weixin  fa-xing-square  fa-youtube-square  fa-apple  fa-bitbucket-square  fa-css3  fa-dribbble  fa-facebook  fa-empire  fa-github-alt  fa-google-plus  fa-instagram  fa-linkedin-square  fa-pagelines  fa-pinterest  fa-rebel  fa-share-alt  fa-soundcloud  fa-steam  fa-tencent-weibo  fa-twitter  fa-vk  fa-windows  fa-yahoo  fa-behance  fa-btc  fa-delicious  fa-dropbox  fa-facebook-square  fa-git  fa-github-square  fa-google-plus-square  fa-joomla  fa-linux  fa-pied-piper  fa-pinterest-square  fa-reddit  fa-share-alt-square  fa-spotify  fa-steam-square  fa-trello  fa-twitter-square  fa-weixin  fa-wordpress  fa-youtube

 fa-check-square  fa-dot-circle-o  fa-plus-square-o  fa-check-square-o  fa-square  fa-square-o  fa-minus-square-o  fa-circle  fa-plus-square  fa-circle-o

 fa-btc  fa-eur  fa-jpy  fa-rub  fa-try  fa-jpy  fa-krw  fa-rub