shuffle cards for study runs - added underscore
put generic elem css in elem-defaults, cleanup
cleanup study controller
misc formatting changes
upgrade to ember rc7 (and handlebars 1.0.0)
quote routes in linkTo
separate study from card-sets to simplify page layouts
move to simple table layout for card sets page
use css3 transitions instead of animations on study page, separate out study css
cleanup
separate mixing.sass for future use