Adding ideathreads controller
fix votes test
IdeaThreadsController test. Adding idea_thread_id column to idea
include timestamps in IdeaThread output
dependent destroy on ideathreads
Merge branch 'master' into idea_threads

Conflicts:
	app/models/idea_thread.rb
Merge pull request #10 from cremalab/idea_threads

Refactor Ideas as IdeaThreads