在mac上安装bzr

### 在mac上安装bzr
- 安装[brew](http://brew.sh/)

``` bash
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
```
- 使用brew安装

``` bash
brew install bazaar
```
### 参考资料
- [http://brew.sh/index_zh-cn.html](http://brew.sh/index_zh-cn.html)
- [http://wiki.bazaar.canonical.com/MacOSXDownloads](http://wiki.bazaar.canonical.com/MacOSXDownloads)
