[ISIS-509] Tidy up and rationalize Util classes in core (and all dependents)

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: viewer-wicket-1.2.0, viewer-restfulobjects-2.0.0, security-shiro-1.1.1, security-file-1.0.1, objectstore-jdo-1.1.0, core-1.2.0
• Fix Version/s: viewer-restfulobjects-2.1.0, security-shiro-1.3.0, security-file-1.0.2, objectstore-jdo-1.3.0, core-1.3.0, tidy-up
• Component/s: Isis Core, Isis Persistence JDO, Isis Security Shiro, Isis Viewer RO, Isis Viewer Wicket, ZZZ Retired: Security: File
• Assignee: Daniel Keir Haywood
• Reporter: Daniel Keir Haywood
• Created: 06/Sep/13 12:51
• Updated: 18/Sep/15 10:48
• Resolved: 18/Sep/15 10:48