Minor Formatting Changes to CLI.md for Consistency

This is a very minor fix to CLI.md to make the documentation formatting consistent
- All flag descriptions to start with 'will'
- No periods at end of each flag description

![gulp pull request](https://cloud.githubusercontent.com/assets/5909572/4330822/41da3126-3fb7-11e4-8c19-92d75ddb9d4a.png)