simplify installation instructions
fix indentation in config file
run travis for all branches
correct travis notification recipients
mark as private NPM package
set default GSA_ADVANTAGE_PATH
spelling+spacing fixes
make config keys consistent with ENV variables
better descriptions for email ENV variables
Merge remote-tracking branch 'origin/master' into readme-clean

Conflicts:
	configs.js.EXAMPLE
re-fix indentation in mailreader
Merge remote-tracking branch 'origin/master' into readme-clean

Conflicts:
	configs.js.EXAMPLE
	mailreader.js
move default for GSA_ADVANTAGE_PATH into config file
Merge pull request #4 from 18F/readme-clean

handful of cleanup