Strip trailing whitespace in the integration spec execution output

A recent version of git has changed what whitespace it outputs

Gemfile

@@ -47,7 +47,7 @@ group :development do
 
   # Integration tests
   gem 'diffy'
-  gem 'clintegracon'
+  gem 'clintegracon', :git => 'https://github.com/segiddins/CLIntegracon.git', :branch => 'segiddins/replacement-pattern-overlapping-replacements'
 
   # Code Quality
   gem 'inch_by_inch'

Gemfile.lock

@@ -93,6 +93,15 @@ GIT
   specs:
     cocoapods-try (1.1.0)
 
+GIT
+  remote: https://github.com/segiddins/CLIntegracon.git
+  revision: 8bb9aa1fecd1731df996bda5cabc53fd746d2577
+  branch: segiddins/replacement-pattern-overlapping-replacements
+  specs:
+    clintegracon (0.8.1)
+      colored2 (~> 3.1)
+      diffy
+
 GIT
   remote: https://github.com/segiddins/json.git
   revision: a9588bc4334c2f5bf985f255b61c05eafdcd8907
@@ -142,15 +151,11 @@ GEM
       cork
       nap
       open4 (~> 1.3)
-    clintegracon (0.8.1)
-      colored (~> 1.2)
-      diffy
     cocoapods-dependencies (1.0.0.beta.1)
       ruby-graphviz (~> 1.2)
     cocoapods_debug (0.1.0)
       pry (= 0.10.3)
     coderay (1.1.0)
-    colored (1.2)
     colored2 (3.1.2)
     concurrent-ruby (1.0.5)
     cork (0.3.0)
@@ -267,7 +272,7 @@ DEPENDENCIES
   bacon
   bundler (~> 1.3)
   claide!
-  clintegracon
+  clintegracon!
   cocoapods!
   cocoapods-core!
   cocoapods-deintegrate!

spec/integration.rb

@@ -149,6 +149,7 @@ describe_cli 'pod' do
 
     # This was changed in a very recent git version
     s.replace_pattern /git checkout -b <new-branch-name>/, 'git checkout -b new_branch_name'
+    s.replace_pattern /[ \t]+(\r?$)/, '\1'
 
     # git sometimes prints this, but not always ¯\_(ツ)_/¯
     s.replace_pattern /^\s*Checking out files.*done\./, ''