Added function for escaping query strings and fixed several XSRF vulnerabilities.
Refs #5323: More fancybox BC support
Refs #6136 - Adds test for elgg_http_url_is_identical
resolved the todo of using elgg_normalize_url in the
http_url_is_identical and also fixing the bug where url2 did not get
site_url prepended
Added more microformats to the profile page
invalidate the subtype_cache when removing a subtype
ElggSite->getURL() returns the site url instead if view/<guid>
as request by mrclay return a boolean
Updated the basic CRUD features to treat discussion replies as entities.
Added an upgrade feature that migrates discussion replies from annotations to entities.
Ajaxified the discussion reply edit form.
Added notifications about replies to discussion topics.
Disable loading external entities during XML parsing
Enhanced test
Emit notice if XXE can't be tested and skip test
Refs #5985 - Corrects admin message link to upgrade page.
Fixes #6211 - Corrects container write permissions bug
Missing translation
Registers entity class ElggDiscussionReply for subtype 'discussion_reply'
Corrected subtype control for discussion replies and added fallback for reply edit if link opened in new window