README update
travis config
added http timeout to tests
bigger http timeout
using httptimeout instead of throttling
README update
setHttpTimeout/setSessionId  improvement
added http retry functionality
added retry config to tests
trying retry on travis
http fix
Added http config doc
emiting less http log
travis config
README update
README update
add required chai-as-promised version to README

I was going crazy trying to figure out why "transferPromiseness" was
not working, until I realized it was due to an older version of
chai-as-promised that I was using.  Since this new API is dependent on
this fix:
https://github.com/domenic/chai-as-promised/pull/38 , I've added a
quick blurb in the README to help others avoid the same mistake.
Merge pull request #209 from geekdave/master

add required chai-as-promised version to README
increasing http timeout
Added ETIMEDOUT detection and retry