sending mail with new comment, translation
comments for settings, updating local.example.py
do nothing if there's no mail address
comments-feed created
integrating Comments-Feed in template
translation for comment feed
LAMBDA-84: use port 25 (default mail port)
Merge branch 'commentsmail' into dev
LAMBDA-83: add feed to header
Merge branch 'commentfeed' into dev

Conflicts:
	locale/de/LC_MESSAGES/django.po