use ktc-controller when searching keystone node
support both single and multi zones pre_defined_network
Merge branch 'master' of github.com:cloudware-cookbooks/ktc-compute
Merge branch 'master' of github.com:cloudware-cookbooks/ktc-compute
Merge branch 'master' of github.com:cloudware-cookbooks/ktc-compute
Merge branch 'master' of github.com:cloudware-cookbooks/ktc-compute
Merge pull request #91 from chamankang/master

add python-lxml to requires_packages
auto_version to 2.1.24
Merge branch 'master' of github.com:cloudware-cookbooks/ktc-compute
add flavors for ipc-stage