Comment UI improvements

* use tabs for preview/write comment form because its better UX
* fix paddings for comment form and unnecessary borders
* remove unused css/js
* cleanup messy comment form html

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>

Explain setting

Missing items changelog

Branch creation flow

To improve user experience with web editing I did next improvements:

* when create branch via ui - redirect to tree view so you start add/edit files
* when click on branch name - redirect to tree view instead of commits so you can immedialty add/edit files

Move protected branches to Project settings page

Because all settings should be in one place

License to bv

Api branch deletion

Fixes #1127

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

Merge marshal

Remove features raketask

As discussed

Fixes #1179

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>

Implements drag and drop upload of image in every markdown-area

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

New rules for protected branches

This MR change permissions logic for branch removal. Changes listed below:

Before
* developer can remove branch with terminal but not in UI
* masters can remove any branch with UI even protected one
* force-push to protected branch is not allowed but remove is allowed

After
* none can force push or remove protected branches
* developers and masters can remove normal branches with console and UI

Fix js error when use scroll to highlighted line

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

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

Fix avatar URLs in JS-lists for relative_url_root

Update message on the group dashboard page

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

Improved edit file ui

* remove ugly borders
* replace small buttons with tabs
* add spinner while diff is loading

Ability to upload avatar when create new group

Before this change you dont know you can upload avatar for group until you visit group edit page.

After this change you are able to upload avatar during group creation

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

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