Fix DB error when trying to tag a repository
Steps to reproduce: Go to a project settings, add tags, click on save changes
Observed behavior: Error 500
```
PG::Error: ERROR: column "taggings_count" does not exist
LINE 1: UPDATE "tags" SET "taggings_count" = COALESCE("taggings_coun...
```
Ran `rake acts_as_taggable_on_engine:install:migrations`, removed the first
migration that created the `tags` and `taggings` table, and added the rest.
* Closes#1512
* Closes#1550
* Closes https://github.com/gitlabhq/gitlabhq/issues/6867
* Closes https://github.com/gitlabhq/gitlabhq/issues/9194
See merge request !577
Fix "Revspec not found" errors when viewing diffs in a forked project with submodules
## What does this MR do?
This MR fixes an error that occurs when viewing diffs in a forked project with submodules.
### Are there points in the code the reviewer needs to double check?
Testing this code was tricky. The only way this problem shows up is if the origin project does NOT have the submodule update commit. The introduction of gitlab-test-fork serves that purpose: it contains a submodule update not present in gitlab-test.
### Why was this MR needed?
A user would receive a 500 error when trying to view a merge request with a submodule update. #1413 has details on how to reproduce this issue.
### What are the relevant issue numbers / [Feature requests](http://feedback.gitlab.com/)?
#1413
See merge request !512
Importing a JSON file with only one Subversion project lead to confusion
over whether the system was working. Provide status why these projects
could not be imported directly.
Closes#1531
Move service template and project service settings into a shared view
This MR reconciles the small differences in the error message layout between the template and project settings, and moves the partial into a shared view. This came from a mention in https://github.com/gitlabhq/gitlabhq/issues/9181 to take care of this.
See merge request !588
Add phrase "Here's how to close multiple issues in one commit message"
Added phrase "Here's how to close multiple issues in one commit message" so that doc is easier to find by users.
cc/ @sytse
See merge request !1801
Fix bug where commit data would not appear in some subdirectories
Fix issue where commit data would not show up in some subdirectories due to escaped slashes. For example:
https://gitlab.common-lisp.net/ecl/ecl/tree/develop/src/gc (now patched with fix)
The upgrade from Rails v4.1.2 to v4.1.9 (76aad9b76e) caused slashes in a tree to be escaped automatically. Using a wildcard glob in the route prevents this behavior.
* Closes#1478, #1459
* Closes https://github.com/gitlabhq/gitlabhq/issues/9037
See merge request !581
Fix adding new group members from admin area
Fix for #2222
Tests for this case already exists but it was green.
It related to current way dealing with ajax selectbox.
Improving tests might be a reason for another merge requests - everyone is welcome to participate.
See merge request !1796
Stan Hu
Douwe Maan
Dmitriy Zaporozhets
Jeroen van Baarsen
Joeri Verdeyen
Sytse Sijbrandij
Dmitriy Zaporozhets
Valery Sizov
Sullivan SENECHAL
Karen Carias
Kyle
Robert Speicher
jubianchi
