Initial support for OpenNebula's contextualization disk.
Optionally resolve IPv4 hostname.
Use and resolve PUBLIC_IP from context disk if no HOSTNAME is specified.
Initialize toks variable. Fix EC2-like hostname generation based on IPv4.
Configurable dsmode. Resolve IPv4 hostname only with dsmode=net.
Process userdata, ignored by mistake.
Delete old ConfigDrive's code.
Delete hyphen.
Add documentation for OpenNebula datasource.
Minor OpenNebula's documentation tuning.
Merged trunk lp:cloud-init
Remove conflicting merge block
Change context variables .replace with .decode
Add explanation on how context variables parsing works.
Change subp exception handling to util.ProcessExecutionError
Fix exception handlers for data read. Fix name read_context_disk_dir.
Add resolv.conf configuration function
Add OpenNebula contextualization options to cloud-init
Add OpenNebula.org copyright.
Append DNS related stuff to network interfaces configuration. Minor cleanups.