#13995 added notifications on comments (to owner, subscribers)

+ some cleanup in imports
updated some email templates
naaya.i18n v. > 1.1.5 required

git-svn-id: https://svn.eionet.europa.eu/repositories/Naaya/trunk/eggs/Naaya@20315 a0171fae-0946-0410-966d-b1775066cd26