Create sauce.yml configuration file in config/

Used to set username and API key
Update sauce config file

- Add platforms hash
- Add browsers hash
Create Sauce.start_browser method

Invoke with OLE_QA::RegresstionTest::Sauce.start_browser('firefox')
then pass OLE_QA::RegressionTest::Options to
OLE_QA::Framework::Session.new
Finish sauce module & options updates
Fix spec/browsers/*.rb & fix date format in bin/xbrowser-regress
Update config/sauce.yml for compatibility