adds possible override for parameters in order to test other oauth servers
adds services.json.dist for default config
adds better error handling, adds config options for API calls
upgrades to v0.5 of oauth library
adds support  for multiple environments in services.json
display curl error if applicable
ensures access token is set in response
uses parsed json instead of raw response in controller
adds pretty json format printing for json responses
Merge branch 'master' of https://github.com/bshaffer/oauth2-server-demo
fixes json encode for < php 5.4
simplifies parameter configuration - removes _url duplicate parameters
Merge branch 'master' of https://github.com/bshaffer/oauth2-server-demo
renames parameters to be standard with spe
cleans up index.php
better styling for environment selecotr
adds screenshot for environment select to readme
better explanation of testing / multi-environment config
updates http-foundation in composer.json to v0.5 tag