Optimised images
cleditor changes:
- Use a doctype of html.
- Force i.e. to use its latest rendering engine.
Conflicts:
	plugins/cleditor/default.php
Fix Regarding checks for existing discussion to piggyback on.
Add count for TagDiscussion.
Conflicts:
	applications/dashboard/models/class.importmodel.php
Gravatar plugin.
- Fix profile scheme.
Merge branch 'master' of github.com:vanillaforums/Garden
Merge remote-tracking branch 'refs/remotes/vanillaforums/master' into useful-functions