Use same Nova Client throughout Fresh Instance Task

    Fixes bug where nova client was reinitialized many times during
    building of new instance

Fixes: bug 1207931

Change-Id: I965a6fa74f721a74f7632aa68963787d02103af5
Merge "Use same Nova Client throughout Fresh Instance Task"
replication initial

moved clustertype to trove directory

removed dummy cluster api

mocking up against the flavors api instead

refactor to use real a more OO approach

adding unittest coverage

added proboscis

remove proboscis

setup maps

fix update to insert

fixed up unittests

Fix/Add docstrings

Add debug statements to controller

fixed missing import for _

add more debug logging

fixed broken string interpolation

added more debug logging

added created time to the clustertype model

added default value to clustertype migration