Update Xcodeproj.

Gemfile.lock

 GIT
   remote: git://github.com/CocoaPods/Xcodeproj.git
-  revision: 2817d17a0ea88dba76e898a1c71cbac615d76fc2
+  revision: df3520d5c124ab23d411199f2c41a135801ec39c
   specs:
     xcodeproj (0.1.0)
 
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.2.7)
+    addressable (2.2.8)
     awesome_print (1.0.2)
     bacon (1.1.0)
-    coderay (1.0.5)
+    coderay (1.0.6)
     colored (1.2)
     crack (0.3.1)
     escape (0.0.4)
-    faraday (0.7.6)
-      addressable (~> 2.2)
+    faraday (0.8.0)
       multipart-post (~> 1.1)
-      rack (~> 1.1)
-    faraday_middleware (0.8.6)
+    faraday_middleware (0.8.7)
       faraday (>= 0.7.4, < 0.9)
     hashie (1.2.0)
-    json (1.6.6)
+    json (1.7.3)
     kicker (2.5.0)
       rb-fsevent
     metaclass (0.0.1)
     method_source (0.7.1)
-    mocha (0.10.5)
+    mocha (0.11.4)
       metaclass (~> 0.0.1)
     mocha-on-bacon (0.2.0)
       mocha (>= 0.9.8)
-    multi_json (1.1.0)
+    multi_json (1.3.5)
     multipart-post (1.1.5)
-    octokit (1.0.1)
+    octokit (1.3.0)
       addressable (~> 2.2)
-      faraday (~> 0.7)
+      faraday (~> 0.8)
       faraday_middleware (~> 0.8)
       hashie (~> 1.2)
-      multi_json (~> 1.0)
-    pry (0.9.8.4)
+      multi_json (~> 1.3)
+    pry (0.9.9.6)
       coderay (~> 1.0.5)
       method_source (~> 0.7.1)
       slop (>= 2.4.4, < 3)
-    rack (1.4.1)
     rake (0.9.2.2)
     rb-fsevent (0.9.1)
     slop (2.4.4)
-    vcr (2.0.1)
-    webmock (1.8.6)
+    vcr (2.1.1)
+    webmock (1.8.7)
       addressable (>= 2.2.7)
       crack (>= 0.1.7)