* Enable upload-git-mirror job to replicate to github.ibm.com
* Enable python3 job and drop py2 job
* Fixed the UT errors on python3
* Fixed the pep8: E501 line too long (83 > 79 characters)
Change-Id: I6a15ff396282032e91732eaad632ea65db7c18e0
In _get_inst_stat, would check cache data expir or not, then update
cache if needed, at last, return instance data per latest cache.
Change-Id: Iaa499622f1f4e38182a50249f8c63b02e7a36465
import zvm utils.py from nova-zvm-virt-driver.
utils.py in ceilometer-zvm is a subset of utils.py in
nova-zvm-virt-driver. Mainly includes xcaturl, xcatconnection and
other utilities.
Change-Id: I3487762f73e3f9cbf025856ba94a4a90bc2d83ee