Update CHANGELOG and version for 0.8.4.
Fix for Vagrant 1.5.x (global_config removed)

Starting in Vagrant 1.5.0, the env.global_config is no more. This patch
demonstrates working around the issue by falling back to machine.config.
If there are problems with that approach they will need to be figured
out, but at least this gets the provisioner working under Vagrant 1.5.
Update CHANGELOG and version for 0.8.5
[release] Add definition for 2.8.6
[release] Add PE 3.2.x support

Mainly a straight copy of PE 3.1 bits, which is why answer files have been
working. Only changes are new operating system support:

  - Solaris 11
  - Debian 7
[release] Bump LATEST_RELEASE to 3.2.2
[release] Add Debian 7 to all PE 3.x releases