Use latest gitlab-grit fork to prevent gollum override gitlab-grit. Fixes issues related to gpg signed commits and other fixes from gitlab/grit fork

Gemfile

@@ -22,7 +22,8 @@ gem 'omniauth-twitter'
 gem 'omniauth-github'
 
 # Extracting information from a git repository
-gem "gitlab-grit", '~> 1.0.0', require: 'grit'
+# Since gollum requires grit we cannot use gitlab-grit gem name any more. Use grit instead
+gem "grit", '~> 2.5.0', git: 'https://github.com/gitlabhq/grit.git', ref: 'c15e2758ec75f99230cd0fbcc9110bf932c0bf05'
 gem 'grit_ext', '~> 0.6.2'
 
 # Ruby/Rack Git Smart-HTTP Server Handler

Gemfile.lock

@@ -23,6 +23,16 @@ GIT
       activerecord (>= 2.3.0)
       rake (>= 0.8.7)
 
+GIT
+  remote: https://github.com/gitlabhq/grit.git
+  revision: c15e2758ec75f99230cd0fbcc9110bf932c0bf05
+  ref: c15e2758ec75f99230cd0fbcc9110bf932c0bf05
+  specs:
+    grit (2.5.0)
+      diff-lcs (~> 1.1)
+      mime-types (~> 1.15)
+      posix-spawn (~> 0.3.6)
+
 GIT
   remote: https://github.com/gitlabhq/raphael-rails.git
   revision: cb2c92a040b9b941a5f1aa1ea866cc26e944fe58
@@ -166,10 +176,6 @@ GEM
     github-markup (0.7.5)
     gitlab-grack (1.0.0)
       rack (~> 1.4.1)
-    gitlab-grit (1.0.0)
-      diff-lcs (~> 1.1)
-      mime-types (~> 1.15)
-      posix-spawn (~> 0.3.6)
     gitlab-pygments.rb (0.3.2)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
@@ -194,10 +200,6 @@ GEM
     grape-entity (0.2.0)
       activesupport
       multi_json (>= 1.3.2)
-    grit (2.5.0)
-      diff-lcs (~> 1.1)
-      mime-types (~> 1.15)
-      posix-spawn (~> 0.3.6)
     grit_ext (0.6.2)
       charlock_holmes (~> 0.6.9)
     growl (1.0.3)
@@ -521,7 +523,6 @@ DEPENDENCIES
   github-linguist (~> 2.3.4)
   github-markup (~> 0.7.4)
   gitlab-grack (~> 1.0.0)
-  gitlab-grit (~> 1.0.0)
   gitlab-pygments.rb (~> 0.3.2)
   gitlab_meta (= 5.0)
   gitlab_omniauth-ldap (= 1.0.2)
@@ -530,6 +531,7 @@ DEPENDENCIES
   gon
   grape (~> 0.3.1)
   grape-entity (~> 0.2.0)
+  grit (~> 2.5.0)!
   grit_ext (~> 0.6.2)
   growl
   guard-rspec