Merge branch 'release/1.0.0' into develop
Add comment about message priority applicability.
Post Release: Version 1.0.0 -> 1.0.1dev.
Event handling overhaul.

* Send clears when messages are dismissed in XenCenter.
* Prevent sending of duplicate events.
* Tweak message priority to event severity mapping.
* Fix timezone handling on message timestamps.

Fixes ZEN-11100 and ZEN-11101.
Merge pull request #4 from zenoss/feature/ZEN-11100

Please review branch feature/ZEN-11100
Add invalidation filtering.

Almost exclusively new code. The unit test code churn is just moving
create_endpoint from test_impact to utils because it's now used in
multiple test modules.

Fixes ZEN-11104.
Merge pull request #5 from zenoss/feature/ZEN-11104

Please review branch feature/ZEN-11104
Just demonstrating git flow.
Merge pull request #6 from zenoss/feature/demo

Just demonstrating git flow.
Remove demo file.
Release: Version 1.0.1dev -> 1.0.1.
Documentation: Add 1.0.1 changes.
Finished release 1.0.1.