Switch postcard to use only hash options.
Switch job to use only hash options.
Update jobs README.
Update postcard README.
Switch bank account to use only hash options.
Update bank account README.
Switch check to use only hash options.
Update checks README.
Switch object to use only hash options.
Convert objects to use hash format in job spec.
Update object README.
Fixed bank account spec.
Add travis-lint as development dependency
Add travisci config
Use test API key from documentation