Syntax highlighting improvements
On the server side:
During development I would occasionally see SanitizationFilter sanitizing
the result of SyntaxHighlightFilter, even though its attributes were
whitelisted. This updates the `clean_spans` transformer to return the
whitelisted node as [suggested by the Sanitize docs](http://git.io/vZR8i).
On the client side:
- Makes the syntax_highlight JS more flexible
- Adds JS specs
- Simplifies highlighting of new notes
- Adds highlighting to Markdown preview
See merge request !1278
Fix emoji URLs in Markdown when relative_url_root is used
Path/URL helpers (e.g. `asset_url_helper`) already include the relative_url_root, so there is no need to attach it twice.
Also adds the ability to run rspecs with relative_url_defined on the enviornment. For example:
RELATIVE_URL_ROOT=/gitlab rspec
Closes#1728
See merge request !1254
Avoid instance variable re-use trouble
This is the quickest/dumbest/safest way I could think of to prevent
the instance variable reuse problems we have on dev.gitlab.org now.
See merge request !1237
Check if database connection exists when loading application settings
!1217 broke omnibus-gitlab nightly builds. In omnibus-gitlab we precompile assets without a running database.
See merge request !1230
Decouple Gitlab::Markdown from the GitlabMarkdownHelper
This module is now the sole source of knowledge for *how* we render
Markdown (and GFM).
See merge request !1223
read session_expire_delay from database if table & column exists;
Previous code only ends up using the default value for session_expire_delay, not the value stored in the database, making the session always 1 week.
See merge request !1217
and request them each session. Pass these tokens to the project import data.
This prevents the need to encrypt these tokens and clear them in case they
expire or get revoked.
For example, if you deleted and re-created OAuth2 keys for Bitbucket, you would get
an Error 500 with no way to recover:
```
Started GET "/import/bitbucket/status" for x.x.x.x at 2015-08-07 05:24:10 +0000
Processing by Import::BitbucketController#status as HTML
Completed 500 Internal Server Error in 607ms (ActiveRecord: 2.3ms)
NameError (uninitialized constant Import::BitbucketController::Unauthorized):
app/controllers/import/bitbucket_controller.rb:77:in `rescue in go_to_bitbucket_for_permissions'
app/controllers/import/bitbucket_controller.rb:74:in `go_to_bitbucket_for_permissions'
app/controllers/import/bitbucket_controller.rb:86:in `bitbucket_unauthorized'
```
Closes#1871
Jared Szechy
Douwe Maan
Robert Speicher
Dmitriy Zaporozhets
Stan Hu
Robert Speicher
Jared Szechy
Jacob Vosmaer
Kirilll Zaitsev
Marin Jankovski
Marin Jankovski
Eric Maziade
Valery Sizov
Joel Koglin