Obsolete / old projects cleanup

It comes the time for some projects to retire, either having features included in other apps, made obsolete by technology changes or just not maintained anymore.

• RegExpEditor and RegExpFileRenamer - unified in RegExpTool
• RenamePicture and StampPictures - all their functionality included in PhotoBatch (a free component of PhotoSelector).
• CloudClipboard - obsoleted by Windows 10 new clipboard
• InfoCenter, Inventory - discontinued