Replaced String with OUString in module dbaccess/ui/app , and also removed RTL_CONSTASCII_USTRINGPARAM deprecated macro.

Conflicts:
	dbaccess/source/ui/app/AppControllerDnD.cxx
	dbaccess/source/ui/app/AppControllerGen.cxx
	dbaccess/source/ui/app/AppDetailPageHelper.cxx
	dbaccess/source/ui/browser/unodatbr.cxx

Change-Id: Ie385d44c328fb3f919d53a604d51640a334a1013
Reviewed-on: https://gerrit.libreoffice.org/2386Reviewed-by: Thomas Arnhold <thomas@arnhold.org>
Tested-by: Thomas Arnhold <thomas@arnhold.org>