fixed params issues when updating article collection.
added link_to for collections
Merge branch 'master' of github.com:mandyyeung/parascope
added tab helpers
updated merge conflicts, added title method to application helper
updated merge conflicts, added tab helpers
Merge pull request #38 from SyntaxChris/master

Added titles to tabs in application helper
Merge branch 'master' of github.com:mandyyeung/parascope into mandy
Fixed merge conflicts