CRM-14423 - Extract class CRM_Utils_Check from CRM_Utils_Check_Security
CRM-14423 - CRM_Utils_Check_Env - Add check for other environmental configuration issues
CRM-14423 - Run env checks before executing tests
Merge pull request #2819 from totten/4.4-tz-alert

CRM-14423 - Alert admins/developers if env is misconfigured