Modified: Create Gomfile.lock.

**Create Gomfile.lock**

An proposal. 

- Gomfile

```ruby
gom 'github.com/golang/glog'
gom 'github.com/golang/lint', commit: '1ad6a0eeb85088d8f32e1c5db9965f4a11c0af70'
gom 'github.com/futoase/underground', branch: 'welcome-to-heaven'
gom 'bitbucket.org/matrixik/listdict', tag: 'tip'
gom 'bitbucket.org/llg/gocreate'
```

- Gomfile.lock

```ruby
github.com/golang/glog: commit => c6f9652c7179652e2fd8ed7002330db089f4c9db
github.com/golang/lint: commit => 1ad6a0eeb85088d8f32e1c5db9965f4a11c0af70
github.com/futoase/underground: branch => welcome-to-heaven
bitbucket.org/matrixik/listdict: tag => tip
bitbucket.org/llg/gocreate: commit => 1251907fe3b4ad2cd968ca92db030eb37927f75e
```