clean up gems

Gemfile

@@ -17,8 +17,5 @@ group :development do
   gem 'fakefs', '~> 0.3.2'
   gem 'rr',     '~> 1.0.2'
   gem 'rspec',  '~> 2.0'
-  gem 'ZenTest'
-  gem 'aws-s3'
-  gem "rubyzip"
   gem "simplecov", :require => false
 end

Gemfile.lock

@@ -8,12 +8,6 @@ PATH
 GEM
   remote: http://rubygems.org/
   specs:
-    ZenTest (4.6.2)
-    aws-s3 (0.6.2)
-      builder
-      mime-types
-      xml-simple
-    builder (3.0.0)
     crack (0.1.8)
     diff-lcs (1.1.3)
     fakefs (0.3.2)
@@ -44,7 +38,6 @@ GEM
     rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.8.0)
-    rubyzip (0.9.4)
     simplecov (0.5.4)
       multi_json (~> 1.0.3)
       simplecov-html (~> 0.5.3)
@@ -52,7 +45,6 @@ GEM
     term-ansicolor (1.0.7)
     thor (0.14.6)
     win32console (1.3.0-x86-mingw32)
-    xml-simple (1.0.15)
 
 PLATFORMS
   java
@@ -60,8 +52,6 @@ PLATFORMS
   x86-mingw32
 
 DEPENDENCIES
-  ZenTest
-  aws-s3
   fakefs (~> 0.3.2)
   foreman!
   parka
@@ -70,6 +60,5 @@ DEPENDENCIES
   ronn
   rr (~> 1.0.2)
   rspec (~> 2.0)
-  rubyzip
   simplecov
   win32console (~> 1.3.0)