Show the user if a contact is sharing with them when viewing their profile page

4194 mobile photo view

Admin: find users under the age of 13 (COPPA)

Don't focus comment form on 'show n more comments'

Remove restriction on guid length

Improve participants link style, close #4236

Move it to the right and replace the text by an image with the nice tooltip, modify the test.

See http://www.ruby-lang.org/en/news/2013/06/27/hostname-check-bypassing-vulnerability-in-openssl-client-cve-2013-4073/

Updated the Galician (gl) translation

Merge branch 'feature/1283-coppa-admin' of https://github.com/diasp/diaspora into diasp-feature/1283-coppa-admin

Show avatar of recent user in conversation list

Conflicts:
	Changelog.md

Fix hashtags that start a line when posting to Facebook or Twitter

Fix hashtags that start a line when posting to Facebook or Twitter, by applying all the same options to strip_markdown as applying to markdownify, fixes #3768 and #4154

* Drop remaining links to the Github wiki
* Redirect Mailing list links through the wiki
* Update links that are redirects
* enable syntaxhighlighting

Check for nil before splitting contact_ids param in ConversationsController

#4180 was placed in the wrong milestone

Add loading indicator on tag pages, remove second one from profile page

Conflicts:
	Changelog.md