Merge changes from master.
Changed factories to use sequences. New acceptance test file.
Fixed some tests broken by new factories. Began acceptance tests for reviewing.
HomeController is now PagesController. Fixed when fields are left blank for cards and tags.
Javascript code for reviewing cards. Review page(by tags unimplemented). Removed unneeded files.
Updated user stories.
Acceptance tests for share page. New user story.
Missed spec with acceptance tests in last commit.
Share page with public tags.
Green acceptance tests for tag sharing.
Deleted some unneeded files.