Changed YouTube embed to use modern iframe format
Update class.discussionmodel.php

GetUnread was not showing new discussions without any comment. Fixed that.
Fixes issue #1652.
Fixes issue #1287.
Kill 'Remove' plugin button and all related functionality
Fixed bug where unbuffered queries were not always closed properly.
Add email address to the conversation participants list. Fixes #1646.
Fix variable typo in the post controller. Closes issue #1635.
Remove 200 header when testing an add-on. Fixes issue #1561.
Merge branch '2.1' of github.com:vanillaforums/Garden into 2.1
Update class.activitymodel.php

Fixed NotifyWallPost which does not store Format, RegardingUserID and Story into table Activity when inserting second line for wallpost-activity
Fix bug in wall post notifications. Closes issue #1663.
Consistent use of BannedPhoto, closes #1579
erge branch '2.1' of github.com:vanillaforums/Garden into 2.1
Extra  check to match 2.2
Merge pull request #1641 from R-J/patch-1

Update class.discussionmodel.php to show new discussions with no comments.
Merge pull request #1577 from Apreche/2.1

Changed YouTube embed to use modern iframe format
Roll back configurable html elements.
Disallow object and embed tags; adds YouTube backward compat workaround

Conflicts:
	index.php
Merge branch '2.1' of github.com:vanillaforums/Garden into 2.1