Added redirect and redirectParamName options.
Added redirect and redirectParamName options.

This allows to set the redirect url for cross-domain iframe transport
uploads, which will be sent to the upload server as form data parameter.

Verde1705/verde1705.github.io,blueimp/jQuery-File-Upload,Verde1705/verde1705.github.io,blueimp/jQuery-File-Upload,blueimp/jQuery-File-Upload,GrizliK1988/PhotoWidget,blueimp/jQuery-File-Upload,blueimp/jQuery-File-Upload,blueimp/jQuery-File-Upload