* Adding new API functions to fetch a specific URL, page name, download or outlink, without the complicated logic of fetching sub tables, etc.
 * Refactoring a bit of code in Tracker and adding integration tests for these new methods

git-svn-id: http://dev.piwik.org/svn/trunk@3736 59fd770c-687e-43c8-a1e3-f5a4ff64c105