remove a bunch of stuff from Gemfile.lock

Gemfile.lock

@@ -2,30 +2,14 @@ PATH
   remote: .
   specs:
     screenie (0.0.1)
-      thor
 
 GEM
   remote: http://rubygems.org/
   specs:
     ZenTest (4.4.1)
-    aruba (0.2.7)
-      background_process
-      cucumber (~> 0.10.0)
     autotest (4.4.6)
       ZenTest (>= 4.4.1)
-    background_process (1.2)
-    builder (3.0.0)
-    cucumber (0.10.0)
-      builder (>= 2.1.2)
-      diff-lcs (~> 1.1.2)
-      gherkin (~> 2.3.2)
-      json (~> 1.4.6)
-      term-ansicolor (~> 1.0.5)
     diff-lcs (1.1.2)
-    gherkin (2.3.2)
-      json (~> 1.4.6)
-      term-ansicolor (~> 1.0.5)
-    json (1.4.6)
     mocha (0.9.10)
       rake
     rake (0.8.7)
@@ -37,18 +21,13 @@ GEM
     rspec-expectations (2.2.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.2.0)
-    term-ansicolor (1.0.5)
-    thor (0.14.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  aruba
   autotest
   bundler (>= 1.0.0)
-  cucumber
   mocha
   rspec
   screenie!
-  thor