Use similar interface to access gitolite

Simplified gitolite handle logic
Stubn over monkeypatch
Stub only specific methods in Gitlab:Gitolite
Moved grach auth to lib
added specs for keys observer
removes SshKey role

features/support/env.rb

@@ -5,10 +5,12 @@ end
 
 require 'cucumber/rails'
 require 'webmock/cucumber'
+
 WebMock.allow_net_connect!
 
 require Rails.root.join 'spec/factories'
 require Rails.root.join 'spec/support/monkeypatch'
+require Rails.root.join 'spec/support/gitolite_stub'
 require Rails.root.join 'spec/support/login_helpers'
 require Rails.root.join 'spec/support/valid_commit'
 
@@ -48,3 +50,9 @@ headless = Headless.new
 headless.start
 
 require 'cucumber/rspec/doubles'
+
+include GitoliteStub
+
+Before do 
+  stub_gitolite!
+end