satococoa/RubyMo — pull request #1 by Watson1978 (2012-12-26 00:52:03+00:00)
Title: OSX 付属の Ruby 1.8 を使用すると、ビルドエラーになるのを修正

OSX 付属の Ruby 1.8 を使用すると、ビルドエラーになるようなので Gemfile を修正してみました。
以下のようなエラーが生じてました。

```
$ rake
rake aborted!
uninitialized constant BubbleWrap
/Library/Ruby/Gems/1.8/gems/bubble-wrap-1.1.4/lib/bubble-wrap/loader.rb:7
/Library/Ruby/Gems/1.8/gems/bubble-wrap-1.1.4/lib/bubble-wrap/all.rb:1:in `require'
/Library/Ruby/Gems/1.8/gems/bubble-wrap-1.1.4/lib/bubble-wrap/all.rb:1
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `require'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `require'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `each'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `require'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `each'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `require'
/Library/Ruby/Gems/1.8/gems/bundler-1.2.3/lib/bundler.rb:128:in `require'
/Users/watson/Documents/workspace/RubyMo/Rakefile:5
(See full trace by running task with --trace)
```