Clean locale for every test group.
fix dialect overflow in locale picker

    for example show TW instead of zh-TW
Merge pull request #2805 from refinery/dialect-overflow

fix dialect overflow in locale picker
Changed guide, '2- Getting Started 5.4 Styling your views', local path to reflect image
Merge pull request #2808 from glamouracademy/master

Changed '2- Getting Started 5.4 Styling your views' guide, local path t...
Update database.yml examples

Load app_name from rails new command.
Ref.: http://stackoverflow.com/questions/3539148/how-do-i-access-the-name-of-the-rails-3-application-object
Merge pull request #2807 from prokopsimek/patch-6

Update database.yml examples
Merge pull request #2797 from refinery/clean-locales-after-test

Clean locale for every test group.
Bye Selenium!