submit/trunk/20121127.081109

[Version] 0.0.78
[Project] GT-I8800
[Title] Release wrt-installer_0.0.78
[Issue#] Unhandled return value.
[Bug] N/A
[Cause] N/A
[Solution] Logging on error.
[Issue#] Unhandled return value.
[Bug] N/A
[Cause] N/A
[Solution] Logging on error.
[Issue#] N/A
[Problem] N/A
[Cause] N/A
[Solution] remove all temporary drm library and header files.
Add using drm-service-core-intel package code.
[Issue#] N/A
[Problem] Clean up Flash Parser
[Cause] N/A
[Solution] N/A
[Issue#] N/A
[Problem] preinstall widget can't be removed after booting.
[Cause] N/A
[Solution] Fixed wrt_preinstall_widgets.sh script.
[SCMRequest] N/A