Refactoring: don't finish activity on delete request failure
Refactoring: replace ModifyResourceAsyncTask  with ModifyResourceRequest
Update target sdk version to JELLY_BEAN
Refactoring: replace GetResourceAsyncTask  with GetResourceRequest for ReportOptionsActivity
Refactoring: replace GetServerInfoAsyncTask with GetServerInfoRequest for ReportOptionsActivity
Refactoring: replace GetReportAsyncTask with GetReportRequest for ReportOptionsActivity
Refactoring: replace  SaveReportAttachmentsAsyncTask with SaveReportAttachmentsRequest for ReportOptionsActivity
Refactoring: replace GetInputControlsAsyncTask with GetInputControlsRequest for ReportOptionsActivity