Add patch01.
Merge pull request #1 from zenoss/feature/patch01

Please review branch feature/patch01
Add patch02.
Merge pull request #2 from zenoss/feature/patch02

Please review branch feature/patch02
Add patch03.
Merge pull request #3 from zenoss/feature/patch03

Please review branch feature/patch03
Add patch04.
Merge pull request #4 from zenoss/feature/patch04

Please review branch feature/patch04
Version 0.9 -> 0.9z1.
Merge branch 'release/0.9z1'