#7716 add vanilla version of p.a.discussion moderation.pt, to be customized
#7716 Customize the p.a.discussion moderation template to avoid new indexes

The template for p.a.discussion @@moderate-comments view expects
comment brains to have author_name and in_response_to attrs,
customized to avoid the need to add extra indexes
Preparing release 1.5.38
Back to development: 1.5.39
Add social icons for slideshare

These are cropped and resized versions from http://www.position-relative.com/2012/03/free-social-media-icon-set-2/
OSHAHelpCenterView: Move all initialization that is not strictly needed from
__init__ to __call__ Attempt to fix #8417
Preparing release 1.5.39
Back to development: 1.5.40
Merge branches '7715-blog-p.a.discussion' and 'master' into 7715-blog-p.a.discussion

Conflicts:
	CHANGES.txt