Use gitlab_git v2.0.0

Gemfile

@@ -23,7 +23,7 @@ gem 'omniauth-github'
 
 # Extracting information from a git repository
 # Provide access to Gitlab::Git library
-gem "gitlab_git", "~> 2.0.0.pre"
+gem "gitlab_git", '2.0.0'
 
 # Ruby/Rack Git Smart-HTTP Server Handler
 gem 'gitlab-grack', '~> 1.0.1', require: 'grack'

Gemfile.lock

@@ -186,7 +186,7 @@ GEM
     gitlab-pygments.rb (0.3.2)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    gitlab_git (2.0.0.pre)
+    gitlab_git (2.0.0)
       activesupport (~> 3.2.13)
       github-linguist (~> 2.3.4)
       gitlab-grit (~> 2.6.0)
@@ -285,7 +285,7 @@ GEM
     minitest (4.7.4)
     modernizr (2.6.2)
       sprockets (~> 2.0)
-    multi_json (1.7.8)
+    multi_json (1.7.9)
     multi_xml (0.5.4)
     multipart-post (1.2.0)
     mysql2 (0.3.11)
@@ -578,7 +578,7 @@ DEPENDENCIES
   gitlab-gollum-lib (~> 1.0.1)
   gitlab-grack (~> 1.0.1)
   gitlab-pygments.rb (~> 0.3.2)
-  gitlab_git (~> 2.0.0.pre)
+  gitlab_git (= 2.0.0)
   gitlab_meta (= 6.0)
   gitlab_omniauth-ldap (= 1.0.3)
   gon