Move gettext, ngettext and sgettext calls into the new ggettext module. All of them return unicode all of the time.

svn: r14091

src/plugins/docgen/HtmlDoc.py

@@ -36,7 +36,7 @@ Report output generator for html documents, based on Html and HtmlBackend
 import os
 import shutil
 import time
-from gettext import gettext as _
+from gen.ggettext import gettext as _
 
 #------------------------------------------------------------------------
 #