initial drafts of ReadMe.md and composer.json

Fixes #16, #85

spelling errors, composer description

First draft of ReadME, composer.json

ReadMe - Order History

ReadME - use instructions

moved FoxyCart API info to bottom of ReadME

FoxyCart setup in ReadME

ReadME updates

work on README.md, composer.json
Merge pull request #89 from jirish/readMe

Initial drafts of ReadMe.md, composer.json closes #16
Bugfix user_errors causing failed install
Merge pull request #97 from nhorstmeier/InstallationBugfix

Bugfix user_errors causing failed install
Enable SSO if checks
removed if check from SSO in FoxyCart_Controller
cleaned up code from removed EnableSSO option in SiteConfig
comment clean up
FoxyCart_Controller - SSO cleanup