message text update

The text of pop-up message by calling application.exit() &
application.hide() has been updated
Merge pull request #320 from zivchang/next

message text update
Merge pull request #321 from jacobchen/next

    Added property isAutoRotation to SystemInfoOrientation, added profile to DeviceCapability and buildVersion to SystemInfoBuild for sys
Changed buildVersion string to TIZEN_WEB_SIMULATOR_00001