very early pass at 3.1.0
addressing #28, adding icon aliases
more terse way of handling aliases
adding icon-reply-all with icon-mail-reply-all alias, addressing #28
addressing #112, icon-star-half-empty
adding #44 icon-location-arrow
adding #114 icon-crop
adding #451 icon-code-fork
adding icon-question
icon-superscript, icon-subscript, icon-eraser added
adding #214 icon-puzzle-piece
adding #273 icon-microphone
adding #350 icon-shield
updating #350 icon-shield
icon-microphone-off
adding #303 icon-calendar-empty
massive update to doc structure & build
major overhaul to icon pages
cleaning out some cruft
thowing in a gradient to jumbotron on icon pages.