Better check on the validity of emails

Merge branch 'add_website_url_to_user' of https://github.com/jeromedalbert/gitlabhq into jeromedalbert-add_website_url_to_user
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Conflicts:
	CHANGELOG

Improve: Search autocomplete

* fetch options via ajax
* only show options related to user input
* add limit to amount of options

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Efficient Clone

Since https://github.com/gitlabhq/grack/pull/1 this warning is no longer needed I think.

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Improve the explanation of the LDAP check script

Explain allow_username_or_email_login LDAP setting

Refactoring context Into services

To prevent confusion where to write logic. Context or Service?

Feature: base64 encoding for blob content

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

At this moment it was possible to enter emails like:
mailto:info@example.com. This was causing some issue in the frontend,
since those links became html mailto: links.

Fixes: #3516

Fix deprecation in specs

fix n+1 problem for namespaces

Document how to customize password length limits

Improve usability of new branch form

Refactoring: Issues/MR filtering logic

Move all issues, mr filtering logic into FilteringService

Improve 6-4 update guide

Disable SSL peer verification for all webhooks

SSL peer verification was silently enabled by the HTTParty upgrade in 8a54fda4.
This patch restores the previous behaviour of GitLab 6.3 and earlier.