Merge pull request #13 from xurizaemon/issue-11

#11 #13 Uncomment setting MD5 and ISO_GUESTADDITIONS.
Permit script to run headless (do not require desktop session).
Merge pull request #14 from xurizaemon/issue-14

Permit script to run headless (do not require desktop session). issue #14
Use `--portcount` (>=4.3) or `--sataportcount` (<4.3) depending on VBox version.

Fixes dotzero/vagrant-debian-wheezy-64#15.
Merge pull request #16 from xurizaemon/issue-15

Fix issue #15 and #16 Use `--portcount` (>=4.3) or `--sataportcount` (<4.3) depending on VBox version.
Merge branch 'master' of github.com:xurizaemon/vagrant-debian-wheezy-64
Merge branch 'master' of github.com:dotzero/vagrant-debian-wheezy-64

Conflicts:
	build.sh