update project template zips
remove cordova js from demo
use sliding_menu project template as onsen_ui.zip downlaod on toppage
Merge branch 'master' of github.com:OnsenUI/OnsenUI

* 'master' of github.com:OnsenUI/OnsenUI:
  Update README.md
  Added a section about livereload to README file.
  Added 'grunt serve' task for livereload.
  Fixed outdated bower.json. Updated version and added new theme css files.
  Added browser support section to README files.
  Update README.md