bump to 3.4.4

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21687 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Mac: Bump Gramps Stable Release Version

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21688 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
recommend "python-pyicu" for .deb package

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21689 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
recommend "python-pyicu" for .deb package

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21690 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Mac: Add ICU dependency

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21691 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
try to avoid problem with python-pyexiv2 package

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps34@21692 4ae1f11a-8b86-4847-b8af-ab372f36d1fd