Opennebula aii

- removed some comments
- included post_reboot hook to install acpid
- removed hardcoded sleep time
- aii remove function bug fixes
you have to define the varaibel separately like
```perl
my ($vmtemplatename, $quattor);
$vmtemplatename = $1 if ($vm_template =~ m/^NAME\s+=\s+(?:"|')(.*?)(?:"|')\s*$/m);
$quattor = $1 if ($vm_template =~ m/^QUATTOR\s+=\s+(.*?)\s*$/m);