Added Test for Categories

Commit By: Robert
Categories page works

Commit By: Robert
Category test added

    Test fails as expected

Commit By: Robert
Category test works

    controller implemented

Commit By: Robert
Added category.html

Commit By: Robert
Category test updated

    now includes routeParams

Commit By: Robert
Category page works

Commit By: Robert
Categories page links to category

Commit By: Robert
Fixed url for single Wiki

   now wiki/ instead of api/

Commit By: Robert
Fixed navbar to top

Commit By: Robert
Stable FrontEnd version

Commit By: Robert
merged master onto karma

	added delay for wikilist
	catagories list added
	tests also added

Conflicts:
	client/SPA/index.html
	client/SPA/wiki/wiki.html
	client/SPA/wikiList/wikiList.html

	Commit by: Robert, Simon, Thomas