Updated projects.md to show tag_list field when performing GETs
Updated projects_spec.rb to include check for tag_list key in project list
Added changes to the CHANGELOG

Remove emphasis from system notes to avoid Markdown conflicts in names.

* Impl Project#avatar_url
* Refactor ApplicationHelper: Use Project#avatar_url
* Update changelog

* add git_http_url and git_ssh_url to project web hook
* add visibility_level to project web hook
* add documentation about project visibility_level in API

Add an API endpoint to update the access level of an existing group
member.

Signed-off-by: NJeroen van Baarsen <jeroenvanbaarsen@gmail.com>

product names, plus a couple of instances of bad Markdown markup.

capitalized.

Make the plural version consistently "URLs".

Fix an instance where the article "the" before URL was missing.

Add the error code returned in the headers as well as an example of the
JSON informative message returned in the body.
Signed-off-by: NLoic Dachary <loic@dachary.org>

Signed-off-by: NLoic Dachary <loic@dachary.org>

The description can be provided when creating or updating a merge
request.
Signed-off-by: NLoic Dachary <loic@dachary.org>

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

Added support for order_by and sort parameters, to sort the projects by the specified values.
Updated projects api documentation including the order_by and sort parameters

The keys resource includes a create_at attribute

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

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

Create RepoTag Grape entity and present it when doing stuff with tags via API. Update API doc for repositories. Add tag message to tag list page in UI. Update Changelog. Update spec to set .gitconfig identity, required for annotated tags.