Include select module in mac build.

See [Picard-607](http://tickets.musicbrainz.org/browse/PICARD-607) for
requirement.

setup.py

@@ -46,14 +46,14 @@ py2app_exclude_modules = [
 ]
 
 py2exe_exclude_modules = [
-    'socket',
+    'socket', 'select',
 ]
 
 exclude_modules = [
     'ssl', 'bz2',
     'distutils', 'unittest',
     'bdb', 'calendar', 'difflib', 'doctest', 'dummy_thread', 'gzip',
-    'optparse', 'pdb', 'plistlib', 'pyexpat', 'quopri', 'repr', 'select',
+    'optparse', 'pdb', 'plistlib', 'pyexpat', 'quopri', 'repr',
     'stringio', 'tarfile', 'uu', 'zipfile'
 ]