submit/trunk/20121123.030436

[Version] 0.0.76
[Project] GT-I8800
[Title] Release wrt-installer_0.0.76
[Issue#] N/A
[Bug] Broken wigdet update in database cause some widget's files may be removed
[Cause] External files were removed before registeration of new version of widget.
This causes lost of file if file was in previous version (have been removed before registerWidget) but not in current/used by update version of widget.
[Solution] Fix of database step
[Issue#] Factory_widget not used anymore.
[Bug] N/A
[Cause] N/A
[Solution] Removed factory_widget and related methods, error codes, exceptions.
[Issue#] Unhandled return value.
[Bug] N/A
[Cause] N/A
[Solution] Logging on error.
[Issue#] N/A
[Feature] Platform version is checked and compared
to required_version from config.xml. If test mode
enabled (WRT_TEST_MODE=1) installation fails when
platform version lower than required. If test mode
disabled popup with question is shown.
[Cause] Compatibility check during installation
needed
[Solution] N/A
[SCMRequest] must imported with wrt-commons