Added some additions to frontend.

Added tests to frontend / karma.

Needs test for wikis with category
Changed the type of links into array. !!!!!

created viewWikiDetails page with details about wiki.
Merge branch 'RaulBranch'
added views for categories, wikis in a certain category, and main page.

Put everything in directives.

Created the factory for wiki in a certain category.
Changed categories to please Lars obsession with GUIs *wink wink* Now we don't need to do scrapping, please give us 5 points.