[CAUSEWAY-380] Enhance BookmarkService API to allow objects to be looked up directly (rather than by dint of a BookmarkHolder)

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: core-1.1.0
• Fix Version/s: core-1.2.0
• Component/s: Core
• Assignee: Daniel Keir Haywood
• Reporter: Daniel Keir Haywood
• Created: 28/Mar/13 10:19
• Updated: 30/May/13 22:21
• Resolved: 28/Mar/13 10:24