Update .todo.yml
Update
Update README.md
Coveralls integration
Add istanbul install in travis
Add cov script
Add the coverage badge
Add the test of /__kill
Change /__kill path's method
Add the test of stop method
Update
Add npm version badge and david badge
Add license badge
Add links
Update .todo.yml
Minor fix
Upgrade liftoff to v0.11 and fix the bug of --kill option
Add killExistingServer method
Use stubbatti.killExistingServer on cli.js
Disable the file name without a extension and add the error message on the case of the config file not found