URL for Welcome Gramplet was still pointing to 3.3 manual (trunk will point to 4.0 for now)

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@20943 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Tidy up resource files

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@20944 4ae1f11a-8b86-4847-b8af-ab372f36d1fd