Moved integration testcase out of the scope.
API interface to retrieve sales reports.
Update readme.md
API interface is added.
Credentials class is changes with getter and setter.
Renamed Credentails to PlayCredentails.
Credentials is replaced by PlayReportRequestBean and Crednetials is
embedded object there.
Update dependency of PlayCredentials with PlayReportRequestBean in order
to pass report data where is needed.
ReportDate validation.