update to fontawesome 4

[bootswatch] / bower_components / font-awesome / src / _includes / tests / rotated-flipped.html

<i class="fa fa-flag"></i>&nbsp; normal<br>
<i class="fa fa-flag fa-rotate-90"></i>&nbsp; fa-rotate-90<br>
<i class="fa fa-flag fa-rotate-180"></i>&nbsp; fa-rotate-180<br>
<i class="fa fa-flag fa-rotate-270"></i>&nbsp; fa-rotate-270<br>
<i class="fa fa-flag fa-flip-horizontal"></i>&nbsp; fa-flip-horizontal<br>
<i class="fa fa-flag fa-flip-vertical"></i>&nbsp; fa-flip-vertical