Add a request timeout

Add missing semicolons.

update superagent

reinstate node versions in travis

try to fix travis

try to fix travis

try to fix travis

attempt to fix travis

try to fix travis

try to fix travis build

add node v0.12 to travis

lots of refactoring, switched from request module to superagent, fixed double request, switched from mocha to tape for unit testing, changed default sample rate to 44k, make requests to google api while audio file is being read

update format module

update travis

update google-speed-format