Releases for Role Watchdog

Development release for 2.0.x tags/releases.

Dev release.

#1263032 by greg.1.anderson: Add primary key to role_watchdog table so that it can be views enabled
#1151842 by scristian: Do not rely on $account object for prior roles state
#1408090 by kevee: Provide administrative overview page
#1517028 by greg.1.anderson: Log role changes that users make to their own account
#1516742 by greg.1.anderson: Add og_role_watchdog to support og

Initial release.

• Code refactor in preparation for 7.x port.
• Issue #817902 by kentr: fixed variable pass-by-reference in role_watchdog_history().
• Issue #896078 by rpsu: Use t() function on role history table.

Note: Role history tab no longer optional with 6.x-1.2. It can however still not be shown to users by not setting access permissions.

• bug #481130: Fixed email notification body
• minor clean up via Coder