o.c.utility.product: added ext point for WorkbenchWindowAdvisor: issue #205
o.c.utility.file: moved logbook file util into new plugin: resolves #205
o.c.utility.file: clean up unused imports
o.c.utility.file: Changed hashmap so it could be persisted in a memento
Update org.csstudio.utility.product.module.exsd

Added descriptions
Update MANIFEST.MF

Updated to version 1.2.0 for extension point change
Update MANIFEST.MF

Updated version depends on o.c.utility.product 1.2.0
Merge pull request #461 from ControlSystemStudio/fileutil_issue205

Fileutil issue205