getWiki test and method created and is finished

	successful getWiki test
	method implemented

	Commit by: Simon
findWiki methods is tested and complete

	created findWiki
	created the supporting methods
	implemented the findWikiMethod

	Commit by: Simon
getCategories method is finished

	 the method have been tested
	 and the functionality implemented

	 Commit by: Simon
getWikiByCategories test and logic finished

	created the last test and implemented
	the method.
	All tests are now green and passed

	Commit by: Simon
Merged branch thomas-test-one into simon-test-one

	all tests are green
	changed the path to the mongolab tests database
	in the config file

Conflicts:
	server/source/datalayer.js
	test/server-test/test-datalayer.js
	test/server-test/wikiMock.js

	Commit by: Thomas, Simon
setup for webservices and test added

	ready for tests to be made
	and routers to be created
	-- does connect automatically to db

	Commit by: Simon, Thomas