Corrects mgmt-taskmanager startup method

Adds 'conf' as an argument to mgmt_main which is accessed in startup
method.

Change-Id: Ie17ed92137200f0562894950df0479749492faf4
Closes-Bug: #1323395
Remove unused xml config file

Change-Id: I2b0129fcf3fb9f2e206dc0d6ac422c5bcc82d6af
Closes-Bug: #1324317
Include datastore version details in datastore calls

Currently it takes n+1 API calls to obtain the versions for each
datastore. This blueprint augments the response to add
the version details.

Implements: blueprint list-datastore-type-and-versions

Change-Id: I2fc2da8109d23038909f5f604cabf209e2eb1d11
switch from mox to mox3

Mox3 is an unofficial port of the Google mox framework to Python 3.

Closes-bug: 1283482
Change-Id: I3f558420bc720880eb91fca7b936bdcd6949a513
Merge "Corrects mgmt-taskmanager startup method"
Merge "switch from mox to mox3"
Merge "Include datastore version details in datastore calls"
Merge "Remove unused xml config file"