update Aruba with fix for "too many open files" on 1.8.7

cucumber/aruba#150

Gemfile

@@ -1,8 +1,8 @@
 source 'https://rubygems.org'
 
 gem 'ronn', :platform => :mri
-gem 'aruba'
-gem 'cucumber'
+gem 'aruba', '~> 0.5.3'
+gem 'cucumber', '~> 1.2.1'
 gem 'sinatra'
 gem 'thin', :platform => :mri
 gem 'json'

Gemfile.lock

@@ -7,35 +7,35 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.3.2)
-    aruba (0.4.11)
-      childprocess (>= 0.2.3)
+    aruba (0.5.3)
+      childprocess (>= 0.3.6)
       cucumber (>= 1.1.1)
-      ffi (>= 1.0.11)
-      rspec (>= 2.7.0)
+      rspec-expectations (>= 2.7.0)
     bouncy-castle-java (1.5.0146.1)
-    builder (3.0.0)
-    childprocess (0.3.3)
-      ffi (~> 1.0.6)
+    builder (3.2.2)
+    childprocess (0.3.9)
+      ffi (~> 1.0, >= 1.0.11)
     crack (0.3.1)
-    cucumber (1.2.1)
+    cucumber (1.2.5)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
-      gherkin (~> 2.11.0)
-      json (>= 1.4.6)
+      gherkin (~> 2.11.7)
+      multi_json (~> 1.3)
     daemons (1.1.8)
-    diff-lcs (1.1.3)
+    diff-lcs (1.2.4)
     eventmachine (0.12.10)
-    ffi (1.0.11)
-    ffi (1.0.11-java)
-    gherkin (2.11.1)
-      json (>= 1.4.6)
-    gherkin (2.11.1-java)
-      json (>= 1.4.6)
+    ffi (1.9.0)
+    ffi (1.9.0-java)
+    gherkin (2.11.8)
+      multi_json (~> 1.3)
+    gherkin (2.11.8-java)
+      multi_json (~> 1.3)
     hpricot (0.8.4)
     jruby-openssl (0.7.7)
       bouncy-castle-java (>= 1.5.0146.1)
-    json (1.7.3)
-    json (1.7.3-java)
+    json (1.8.0)
+    json (1.8.0-java)
+    multi_json (1.7.7)
     mustache (0.99.4)
     rack (1.4.1)
     rack-protection (1.2.0)
@@ -46,14 +46,8 @@ GEM
       hpricot (>= 0.8.2)
       mustache (>= 0.7.0)
       rdiscount (>= 1.5.8)
-    rspec (2.11.0)
-      rspec-core (~> 2.11.0)
-      rspec-expectations (~> 2.11.0)
-      rspec-mocks (~> 2.11.0)
-    rspec-core (2.11.0)
-    rspec-expectations (2.11.1)
-      diff-lcs (~> 1.1.3)
-    rspec-mocks (2.11.1)
+    rspec-expectations (2.14.0)
+      diff-lcs (>= 1.1.3, < 2.0)
     sinatra (1.3.2)
       rack (~> 1.3, >= 1.3.6)
       rack-protection (~> 1.2)
@@ -72,8 +66,8 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  aruba
-  cucumber
+  aruba (~> 0.5.3)
+  cucumber (~> 1.2.1)
   hub!
   jruby-openssl
   json

features/support/env.rb

@@ -2,14 +2,6 @@
 require 'fileutils'
 require 'forwardable'
 
-# needed to avoid "Too many open files" on 1.8.7
-Aruba::Process.class_eval do
-  def close_streams
-    @out.close
-    @err.close
-  end
-end
-
 system_git = `which git 2>/dev/null`.chomp
 lib_dir = File.expand_path('../../../lib', __FILE__)
 bin_dir = File.expand_path('../fakebin', __FILE__)
@@ -57,7 +49,6 @@ def close_streams
 
 After do
   @server.stop if defined? @server and @server
-  processes.each {|_, p| p.close_streams }
   FileUtils.rm_f("#{bin_dir}/vim")
 end