CE changes into EE

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

Conflicts:
	VERSION
	app/views/layouts/devise.html.haml
	features/project/project.feature
	features/steps/project/project.rb

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

Small changes

Rename home tabs

* Dashboard Home -> Activity
* Project Home -> Activity
* Group Home -> Activity
* Profile Home -> Profile
* Admin Home -> Dashboard

Related to #1351

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

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

Commit log 25

Related to #1381

Improve markdwon parsing

Fix 500 error when try to use relative links in project issues if repository is empty

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

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

Dash between description and readme link

Remove unused group filter

* dont try to build links for anchors like `#title-anchor`
* dont build relative url for project with empty repo
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

do not advertise gravatar in profile if disabled

Document the basics of working with Groups

Fix the PullReview tool link

Small contributions no rebase

Based on https://github.com/gitlabhq/gitlabhq/pull/7067#issuecomment-45060241

/cc @dzaporozhets

Version file

Fixes #1345

Remove ruby update guide

#1371

Ruby update in guide

Fixes #1371

textual changes

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

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

Typo.