Revert "Merge pull request #3968 from marpo60/limit_shareable_from_person_queries"

This reverts commit ddfc558a.
This reverts commit 30ed4b4e, reversing
changes made to f50ce2cb.

limiting the fetch of the IDs breaks paginating, there's no quick way to fix that

I left the spec in for future use.

Not ordering the IDs caused incorret ones returned

The spec is totally at the wrong level but I couldn't make
something up that exposed the bug at a deeper level :(

Conflicts:
	Changelog.md
	Gemfile.lock
	config/defaults.yml

* Fix CVE-2013-0269 by updating the gems json to 1.7.7 and multi\_json to 1.5.1. [Read more](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/4_YvCpLzL58)
* Additionally ensure can't affect us by bumping Rails to 3.2.12. [Read more](https://groups.google.com/forum/?fromgroups=#!topic/rubyonrails-security/AFBKNY7VSH8)
* And exclude CVE-2013-0262 and CVE-2013-0263 by updating rack to 1.4.5.

added a id and a autoscroll to first unread message in conversation

Buttons on mobile are hard to click on

limit ShareablesFromPerson queries to improve performance

Twitter/Facebook/Tumblr count down characters is hidden by the picture of the post. Close #3956

Add a changelog_url helper

Adapt css for search mobile page

Add Getting_Started page mobile. Close #3854

Excessive padding with select aspect in mobile publisher

Conflicts:
	Changelog.md
	app/views/people/show.html.haml
	config/defaults.yml
	spec/helpers/layout_helper_spec.rb

From a quick look at the for us available databases this was not actually used in the wild.