clean-up code

* Remove trailing whitespace
  * Converts hard-tabs into two-space soft-tabs
  * Remove consecutive blank lines

spec/requests/commits_spec.rb

@@ -3,13 +3,13 @@ require 'spec_helper'
 describe "Commits" do
   let(:project) { Factory :project }
   let!(:commit) { project.repo.commits.first }
-  before do 
+  before do
     login_as :user
     project.add_access(@user, :read)
   end
 
   describe "GET /commits" do
-    before do 
+    before do
       visit project_commits_path(project)
     end
 
@@ -17,22 +17,22 @@ describe "Commits" do
       current_path.should == project_commits_path(project)
     end
 
-    it "should have project name" do 
+    it "should have project name" do
       page.should have_content(project.name)
     end
 
-    it "should list commits" do 
+    it "should list commits" do
       page.should have_content(commit.author)
       page.should have_content(commit.message)
     end
   end
 
-  describe "GET /commits/:id" do 
-    before do 
+  describe "GET /commits/:id" do
+    before do
       visit project_commit_path(project, commit)
     end
 
-    it "should have valid path" do 
+    it "should have valid path" do
       current_path.should == project_commit_path(project, commit)
     end
   end