Updated the bower packages
feat(js): Adopted browserify for JS modules

- Removed bootstrap_accessibility as bower component
- Configured browserify to bundle packages
refactor(templates): Updated the page, navbar and header

- Added site-header theme hook
- Added navbar theme hook
- Removed the option to select the "style" of navbar since you can now move them
Udpated thea build for kalatheme to automatically build a skinny distro