Add template for latest Ubuntu 12.04.

Ubuntu has removed the previous version from their servers.
Add veewee parallels export command.
Merge pull request #801 from fillpdfservice/master

Add veewee parallels export command.
Merge pull request #799 from fillpdfservice/feature/template-precise-12.04.3

Add template for latest Ubuntu 12.04.
Export templates and optimize before export. GH-800

Now the templates import properly into vagrant-parallels.
Merge pull request #802 from wizonesolutions/feature/improve-parallels-export-800

Export templates and optimize before export. GH-800
Tweaks to definition.rb to use correct shutdown command.

postinstall.sh -> postinstall.csh since it's really going to be run by
csh. Fixes in the file to ensure "fetch" command is used correctly. Also
added virtio kmod build so that virtualbox virtio network interface can
be used.
Merge pull request #803 from lukebakken/freebsd-fixes

Fixes for FreeBSD 9.1 template files.
replace dead mirror with kernel.org
Merge pull request #806 from uu59/reset_deadlink_of_archlinux_x86_64

replace dead Arch mirror with kernel.org
Documentation syntax fix: howto create and checkout a new_patch branch

: lowercase
Merge pull request #807 from mediadoneright/fix-contribute

Documentation syntax fix: howto create and checkout a new_patch branch
Add Ubuntu 12.04.3-i386 template 

Based on ubuntu-13.04-server-amd64 template commit: 5344f0e
https://github.com/jedi4ever/veewee/commit/5344f0ed2a40938bb2dec406ec0461b5b726ede8
Merge pull request #808 from mediadoneright/ubuntu-12.04.3-server-i386

Add Ubuntu 12.04.3-i386 template
Ubuntu 8.04 needs a preseed.cfg to use http://old-releases.ubuntu.com packages repository because archive.ubuntu.com does not contains Hardy.
Merge pull request #809 from javierjeronimo/master

Ubuntu 8.04 needs a preseed.cfg to use http://old-releases.ubuntu.com pa...