Added WP-Forge theme

Added link to WP-Forge, a WordPress theme based on Twenty Twelve and built with Foundation 4.3.1
Inconsistency between HTML templates

Fixes #3185
Fixed calculation of topbar height in small mode
Make sure height setting takes into account container type
Fixed an invalid stickyClass reference
Merge pull request #3223 from seantimm/3223-TopBarSmallHeight

Topbar in small mode is clipping items
Fix alert close box.
Merge pull request #3228 from roderickvd/alert-close-box-fix

Fix alert close box.
Merge pull request #3215 from tsquez/patch-1

Added WP-Forge theme
Merge pull request #3218 from LeGaS/html-incosistency

Inconsistency between HTML templates