paper: add button background animation, closes #329
include thumbnails in bower, closes #336
Darkly: Fix input-group-addon bg
Merge pull request #339 from jenil27/darkly-input-fix

Darkly: Fix input-group-addon bg
3.2.0 -> 3.3.0
yeti: fix radio and checkbox alignment, closes #343
sandstone: fix panel heading color, closes #341
remove underline on table dropdown, closes #344
add test for list-group active + contextual
cosmo: fix selector bug, tweak list-group-active-border
Merge pull request #1 from thomaspark/gh-pages

3.3.0 thomas park