Ensure that no python compiled files (.pyo or .pyc) are bundled

This allows the bundle to be sanitized with 
`find Gramps.app -name '*.py[oc]' -delete` if there are code-signing
errors when moving the bundle from one machine to another.



git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@22375 4ae1f11a-8b86-4847-b8af-ab372f36d1fd