Fix tox coverange env

We're not setting the VIRTUAL_ENV environment variable, so 'tox -ecover'
is failing because patch_tox_venv uses the variable.

Change-Id: I3898d0dd1f8a9bf4216253bb2c7d8491e1e8ce56
Fixes email typo in MAINTAINERS

Change-Id: I7ba0b9435d12064c4ab0e169fbc08a0c704ae78d
Merge "Fix tox coverange env"