Updated to Wheezy 7.2
Readme tweak
Merge pull request #10 from alexmarchant/master

Update from Wheezy 7.1 to Wheezy 7.2
Replace RU mirrors with Debian CDN
Add Bitdeli Badge
Change sataportcount -> portcount for Virtualbox 4.3
Country changes to US
Change ISO url
Comment out manual addition of vbox extensions
Uncomment setting MD5 and ISO_GUESTADDITIONS.

Resolves dotzero/vagrant-debian-wheezy-64#11.
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.
Update with Debian 7.3.0, issue #17
Clean up code
update `box add` instructions to 7.3
Merge pull request #21 from janl/patch-1

Update `box add` instructions to 7.3
Custom preseed file support

Preseed file may be specified like this:
    PRESEED=/path/to/my-preseed.cfg ./build.sh