Improve discussions

* check for outdated discussions by comparing diff
* improve discussion UI

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

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'improve-discussions' into 'master'

Improve discussions

Implement outdated discussion detection
Fix some MR commenting tests

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
More noticable filter icons

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

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Typo.
dont render discussion diff unless note is for diff

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge pull request #7195 from cirosantilli/patch-1

Typo.
Fix diff comments toggle button

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Show VERSION information on project sidebar

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
update ruby in update guide

textual changes
Merge branch 'ruby-update-in-guide' into 'master'

Ruby update in guide

Fixes #1371
remove ruby upgrade guide
Merge branch 'remove-ruby-update-guide' into 'master'

Remove ruby update guide

#1371
Merge branch 'version-file' into 'master'

Version file

Fixes #1345
Fix the PullReview tool link
Merge pull request #7197 from jbrooksuk/patch-1

Fix the PullReview tool link