Merge pull request #216 from jacobchen/next

Added version text element to version object for UI display.
update the message of confirm navigation dialog
Merge pull request #217 from zivchang/next

update the message of confirm navigation dialog
bug-fixes: TDIS-5220, if onerror(nullable) is 0 or '', should throw exceptions
Updated systeminfo module for
- Adding system, systemmanager privilege control
- SystemCapabilities update
- Making interface objects to be readonly