v3.0-beta4

Change Log

• New revision submission mechanism: create a working copy first instead of editing existing post. Then submit as a Change Request before scheduling or publication
• Changes to plugin-related UI in Post / Revision editor
• Admin Bar includes Create Working Copy button
• Adjusted Revision Queue filter captions
• Permissions integration: revise_others_posts, revise_others_pages, etc. capabilties are equivalent to list_others capabilities in allowing uneditable items to be listed