split categories nav to text and caret
added jstree plugin for categorie structure
enabled toggle for categories tree
use slideToggle() for right allign. Add resiponsive css for catetory tree
create link for categories page.
show all categories clicking categories nav.
Merge branch 'feature/twitter-bootstrap-2.3' into develop
remove temp posts
to enable jekyll plugins on github
Merge branch 'release/release-0.1' into develop