Fix project limit reached grammer.
Simplify the contributing process and introduce MRO's.
Small edit.
Allow to parse heroku-generated database.yml config file.
Add option for disable standard signin.
 Merge branch 'grammer_fix' into 'master'

Grammer Fix

Should read like:

```
Your project limit is 10 projects! Please contact your administrator to increase it
```
Instead of:

```
Your own projects limit is 10! Please contact administrator to increase it
```
Merge branch 'master' into login_page

Conflicts:
	CHANGELOG
Change IRC to official
Merge pull request #6717 from pkgr/fix-database-parsing-gitlab-setup

Allow to parse heroku-generated database.yml config file.
Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ce
 Merge branch 'login_page' into 'master'

Add option to disable standard login
Merge branch 'master' of dev.gitlab.org:gitlab/gitlabhq
 Merge branch 'merge-request-officer' into 'master'

Merge Request Officer
 Merge branch 'irc_update' into 'master'

Update status of IRC in PROCESS doc

Just a small fix to update the official status of the IRC channel in the PROCESS.md doc.
Officially supported irc might cause people to expect too much.
 Merge branch 'irc-status' into 'master'

Irc status
More info about GitLab integrations with OAuth

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'master' of dev.gitlab.org:gitlab/gitlabhq
Use placeholder to prevent using the find box to add new members.
Update development steps.