WinRt: add windeployqt configuration widget

A simple line edit to display or change the arguments that are
passed to windeployqt.

Task-number: QTCREATORBUG-11693

Change-Id: I059f5c2af3fce17f9f8463ecfa2af91f21ffe6d8
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Andrew Knight <andrew.knight@digia.com>
WinRt: fix name and description of the deploy step

Change-Id: I5550395cfff2031b938a022f9ec01817e7248864
Reviewed-by: Oliver Wolff <oliver.wolff@digia.com>
Reviewed-by: Andrew Knight <andrew.knight@digia.com>