regenerate Gemfile.lock, and update rack-1.4.0

Gemfile.lock

@@ -31,7 +31,6 @@ GEM
     execjs (1.2.13)
       multi_json (~> 1.0)
     ffi (1.0.11)
-    ffi (1.0.11-java)
     fuubar (0.0.6)
       rspec (~> 2.0)
       rspec-instafail (~> 0.1.8)
@@ -40,10 +39,6 @@ GEM
     hike (1.2.1)
     launchy (2.0.5)
       addressable (~> 2.2.6)
-    launchy (2.0.5-java)
-      addressable (~> 2.2.6)
-      ffi (~> 1.0.9)
-      spoon (~> 0.0.1)
     mechanize (2.0.1)
       net-http-digest_auth (~> 1.1, >= 1.1.1)
       net-http-persistent (~> 1.8)
@@ -61,9 +56,8 @@ GEM
     net-ssh-gateway (1.1.0)
       net-ssh (>= 1.99.1)
     nokogiri (1.5.0)
-    nokogiri (1.5.0-java)
     pit (0.0.6)
-    rack (1.3.5)
+    rack (1.4.0)
     rack-test (0.6.1)
       rack (>= 1.0)
     racksh (0.9.10)
@@ -91,7 +85,6 @@ GEM
       multi_json (~> 1.0.3)
       simplecov-html (~> 0.5.3)
     simplecov-html (0.5.3)
-    spoon (0.0.1)
     sprockets (2.1.2)
       hike (~> 1.2)
       rack (~> 1.0)
@@ -111,7 +104,6 @@ GEM
       nokogiri (~> 1.3)
 
 PLATFORMS
-  java
   ruby
 
 DEPENDENCIES