Merge pull request #96 from chamankang/UCLOUDNG-1120

UCLOUDNG-1120 : cpu_allocation_ratio 2.5
auto_version to 2.1.27
fix nova path
Merge pull request #97 from cloudware-cookbooks/naming

fix nova path
auto_version to 2.1.28
fix rootwrap path
fix rootwrap path
Merge pull request #98 from cloudware-cookbooks/rootwrap_fix

fix rootwrap path
remove fakedriver
remove unused spec test
UCLOUDNG-1125 and tests
Merge pull request #99 from cloudware-cookbooks/tests

Tests
auto_version to 2.1.29
add flavors of ipc-prod