update rails for dup for work

dup doesn't work for rails 3.2.11 + ruby 2.0, have to upgrade rails to 3.2.14
Merge branch 'development' of github.com:Coursemology/coursemology.org into dev/raymoond_dev

Conflicts:
	Gemfile.lock
access control, students can't duplicate course
course full duplicate
duplicate survey
paperclip preserver old file
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy