Add rbx dependencies to gemfiles, update .travis.yml to include rbx

Author: petergoldstein

.gitignore

@@ -1,4 +1,5 @@
 .rvmrc
 .ruby-version
+gemfiles/*.lock
 pkg/*
 spec/debug.log

.travis.yml

@@ -7,3 +7,4 @@ rvm:
   - 1.9.3
   - 2.0.0
   - jruby-19mode
+  - rbx

Gemfile

@@ -5,6 +5,11 @@ gem "activerecord", "~> 4.0"
 gem "activesupport", "~> 4.0"
 gem "awesome_nested_set", "~> 3.0.0.rc.2"
 
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
+
 group :development do
   gem "rake", ">= 0"
   gem "bundler"

Rakefile

@@ -1,7 +1,6 @@
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
-require 'rdoc/task'
 require 'rspec/core/rake_task'
 
 desc "Run specs"

gemfiles/Gemfile.rails-3.0

@@ -6,6 +6,11 @@ gem 'activerecord', '~> 3.0.0'
 gem 'activesupport', '~> 3.0.0'
 gem "awesome_nested_set", "~> 2.0.0"
 
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
+
 group :development do
   gem 'rake'
   gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby

gemfiles/Gemfile.rails-3.1

@@ -6,6 +6,11 @@ gem 'activerecord', '~> 3.1.0'
 gem 'activesupport', '~> 3.1.0'
 gem "awesome_nested_set", "~> 2.0.0"
 
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
+
 group :development do
   gem 'rake'
   gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby

gemfiles/Gemfile.rails-3.2

@@ -6,6 +6,11 @@ gem 'activerecord', '~> 3.2.0'
 gem 'activesupport', '~> 3.2.0'
 gem "awesome_nested_set", "~> 2.1.0"
 
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
+
 group :development do
   gem 'rake'
   gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby

gemfiles/Gemfile.rails-4.0

@@ -6,6 +6,11 @@ gem 'activerecord', '~> 4.0.0'
 gem 'activesupport', '~> 4.0.0'
 gem 'awesome_nested_set','~> 3.0.0.rc.2'
 
+platforms :rbx do
+  gem 'rubysl', '~> 2.0'
+  gem 'rubinius-developer_tools'
+end
+
 group :development do
   gem 'rake'
   gem 'activerecord-jdbcsqlite3-adapter', :platforms => :jruby