Added czech translation.
Merge pull request #470 from michalgritzbach/i18n-czech-translation

Added czech translation.
Update 08_upgrade_to_1_12_0.rb
added cancel buttons to each form together with l10n for these buttons
added Norwegian locale
Relax sass-rails to 4.0.1

4.0.1 is the last version that works with
Sass 3.3 on Rails 4
Move a common query into a private method, later to be moved into model layer
Moved site has page check into private method, to improve readability
Refactor reorder pages into a private controller method, reorder_cms_pages. Prep for moved method into service layer
Rename test to unique and correct name
Changed revision naming to correct Dutch...
add zh-TW.yml
add traditional chinese translation file
add zh-TW to README.md
jquery.ui.all to jquery-ui per 5.0.0 release
* using null session prevents Rails from sending updated session cookies or consume flash messages
* cookies + public caching is harmful (clients will get wrong session cookies from caches and Rails will generate new sessions for each request)
added jquery.ui fix
real fix for jquery-ui
added custom mime_type support for pages
added jquery ui resizable for codemirror editors