CHANGELOG updated. Fixed MR bug. Logger improved

CHANGELOG

 v 2.7.0
   - Issue Labels
+  - Inline diff
+  - Git HTTP
+  - API
+  - UI improved
 
 v 2.6.0
   - UI polished

app/assets/stylesheets/gitlab_bootstrap.scss

@@ -317,6 +317,10 @@ table.no-borders {
   &.closed { 
     background-color: #B94A48;
   }
+
+  &.merged { 
+    background-color: #2A2;
+  }
 }
 
 img.avatar { 

app/models/merge_request.rb

@@ -128,7 +128,7 @@ class MergeRequest < ActiveRecord::Base
 
   def unmerged_diffs
     commits = project.repo.commits_between(target_branch, source_branch).map {|c| Commit.new(c)}
-    diffs = project.repo.diff(commits.first.prev_commit.id, commits.last.id)
+    diffs = project.repo.diff(commits.first.prev_commit.id, commits.last.id) rescue []
   end
 
   def last_commit

lib/gitlab/logger.rb

 module Gitlab
-  class Logger
+  class Logger < ::Logger
     def self.error(message)
-      @@logger ||= ::Logger.new(File.join(Rails.root, "log/githost.log"))
-      message = Time.now.to_s(:long) + " -> " + message
-      @@logger.error(message)
+      build.error(message)
+    end
+
+    def self.info(message)
+      build.info(message)
     end
 
     def self.read_latest
       path = Rails.root.join("log/githost.log")
       logs = File.read(path).split("\n")
     end
+
+    def self.build
+      new(File.join(Rails.root, "log/githost.log"))
+    end
+
+    def format_message(severity, timestamp, progname, msg)
+      "#{timestamp.to_s(:long)} -> #{severity} -> #{msg}\n" 
+    end 
   end
 end