Revert gl-repository changes

Closes gitlab-ee#2822

See merge request !142

Revert "Merge branch '86-follow-up-from-use-gl_repository-if-present-when-enqueing-sidekiq-postreceive-jobs' into 'master'"

This reverts commit fa634351, reversing
changes made to 62af7f6a.

Add list-key-ids command

See merge request !140

Add code quality job to gitlab-ci.yml

See merge request !138

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

Remove empty file

See merge request !137

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

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

Remove references to V3 internal API

Closes gitlab-ce#31952

See merge request !135

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

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

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

Merge branch '86-follow-up-from-use-gl_repository-if-present-when-enqueing-sidekiq-postreceive-jobs' into 'master'

Remove old project parameter, use gl_repository instead

Closes #86

See merge request !136

In the main Rails app we use exactly the same code for
/api/v3/internal and /api/v4/internal
This means that we can move gitlab-shell to V4 in preparation
for sunsetting V3

Downgrade grpc to get Go 1.5 compatibility

Closes #85

See merge request !133

Merge branch '83-follow-up-from-handle-gl_repository-env-variable-and-use-it-in-api-calls' into 'master'

Use gl_repository if present when enqueing Sidekiq PostReceive jobs

Closes #83

See merge request !132

Use gitaly-upload-pack and gitaly-receive-pack

Closes gitaly#193

See merge request !129

Handle GL_REPOSITORY env variable and use it in api calls

See merge request !130

Use a shorter socket path during testing

See merge request !131