* Campaign will now be tracked when the campaign name/keywords parameters are found in the fragment / hash tag
For example example.org/bla?hello=world#pk_campaign=CAMPAIGN&utm_term=KEYWORD 
will be tracked as visit from campaign CAMPAIGN and keyword KEYWORD
 * Updated tests

git-svn-id: http://dev.piwik.org/svn/trunk@5825 59fd770c-687e-43c8-a1e3-f5a4ff64c105