Refs #5323: More fancybox BC support
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
Fixes #6167 - Make sure user has access to both river object and target
Unused code removal
Removed never defined handler 'forum_profile_menu' + docs cleanup
Update start.php

Remove HTML comments from source input. Default settings will include HTML comments in content as text (which is user unfriendly and a bit stupid)
Fixes #6309: Fixes notify_user() broken by 63db31c
Merge pull request #6311 from mrclay/6309_fix

Fixes #6309: Fixes notify_user() broken by 63db31c
Fixes #6294 : Correct handling of email login
Fixes #6312, Makes content_access_mode field sticky

Value of group content_access_mode field is now correctly retrieved from sticky form cache after user has been sent back to the form because of failed form validation.
Prepare for 1.8.18 release
Merge pull request #6203 from juho-jaakkola/river_joins

Fixes #6167 - Make sure user has access to river object and target.
Merge pull request #6318 from juho-jaakkola/sticky_group_access

Fixes #6312, Makes content_access_mode field sticky in groups
Merge pull request #6316 from gerard-kanters/patch-4

Fixes #6294 : Correct handling of email login before validation
always call colorbox on use of fnacybox
Merge pull request #6096 from mrclay/5323

Refs #5323: More fancybox BC support
Merge pull request #6148 from Srokap/microformats

Added more microformats to the profile page