Inventory option to specify the inventory file to use
If the --inventory  option is not used, use the default host list
Merge branch 'master' into feature/inventory-option
Blank lines
Merge pull request #18 from MiLk/feature/inventory-option

Inventory option to specify the inventory file to use
Typo
Merge pull request #21 from MiLk/fix/typo

Typo
Add pip installation instructions to README

I forget pip's VCS URI syntax every damned time. You'd really think that
would be summarized in `pip help install` instead of forcing you to go
look up the web docs...
Merge pull request #22 from ches/docs

Add pip installation instructions to README
added license fixes #24
Turn off prompt color
Workaround for: http://bugs.python.org/issue17337
added venv to gitignore
ansible.cfg support - default values for serial and cwd

```
$ cat /etc/ansible/ansible.cfg
[ansible-shell]
cwd = database-servers
serial = 10
```

http://docs.ansible.com/intro_configuration.html
Don't assume an ansible configuration file exists.
Store the number of serial connectios as an integer.
Merge pull request #29 from CtrlC-Root/master

Don't assume an ansible configuration file exists.