* Markdown rendering overhaul

Cleaned up and squashed commits into single one.

Signed-off-by: Andrew Boyarshin <boyarshinand@gmail.com>

* Fix markdown API, add markdown module and API tests, improve code coverage

Signed-off-by: Andrew Boyarshin <boyarshinand@gmail.com>

* Add import-styleguide to Contributing.md

Question: should we group all `code.gitea.io`-packages together as local imports? (including `code.gitea.io/sdk` and `code.gitea.io/git` etc)

* reorg

* be specific FFS

Error logged everytime an assignee was removed

* bug fixed for deleted label in issue comment

* fix indent

* Fix public activity showing private repos (#811)

Signed-off-by: Morgan Bazalgette <the@howl.moe>

* error check after setting is_private to true

* Add test for UpdateRepository w/ visibility change

* Implement archive cleanup

Fixes #769

Signed-off-by: Andrew <write@imaginarycode.com>

* Make sure to close the directory file

* Resolve issues noted by @strk

* edit cheatsheet app.ini [ci skip]

* oops [ci skip]

* add delete branch track on pull request comments

* don't change vendor

* Remove superfluous defer calls

* Improve status table implementation as well

This would probably only help with large, high-traffic installs

This install Go package on building for caching and faster builds

NOTE: useful when logging in via OpenID and connecting to user

* social_register_hepler_msg -> social_register_helper_msg

* register_hepler_msg -> register_helper_msg

* Update pt-BR translations

* Minor updates to translations

* Change "Pull Request" to "pull request".
* Change "Problemas" to "Issues" to keep consistency.
* Change "Propriedade" to "propriedade".
* Change "Wiki" to "wiki".
* Rename "questão" to "issue".
* Update almost all the strings from "[action]" section.

* Added new pt-BR translations

Signed-off-by: Stephen Brown <steve@evolvedlight.co.uk>

* Minor language file tweaks (largely fixing awkward grammar).

Signed-off-by: Tux <write@imaginarycode.com>

* Modify federated_avatar_lookup_popup message

Fix inconsistencies in unit test fixtures

and updating the vendor directory

* Redirects for renamed repos

* Remove unused phrase from locales

Avoid identical making calls to GetUserByID(..) in SignedInUser(..)

When an open pull request got manually merged mark the pull request as
merged

* Add ENABLE_PPROF to app.ini and start pprof if true on localhost:6060

* Add comment for golint to blank pprof import

Because the absence of the listenAddr is what is expected.
The error will only be then when we can't remove.

Added some missing German translations

Fix bug in removeOrgRepo