Release 4.2.0

Changes:
- Added parameters to set cinder volume driver
- Added class for extended logging options
- Added option to specify endpoint protocol
- Fixed cinder type path issues
- Added option to specify cinder volume path
- Fixed targetcli package dependency on target service
- Fixed os version fact comparison for RedHat-based operating systems
  for specifying service provider
- Added option to configure os_region_name in the cinder config

Change-Id: Iba8d63574624551fbcb5b7718e4d799ec9fd7c27