updated vagrant box to raring
installing celery+rabbitmq
vagrant hostname is now always "preorderdev"
vagrant: removed legacy easy_install usage
vagrant: forced setting HOME for c4sh checkout

this has become neccessary after upgrading to ubuntu raring.
Revert "installing celery+rabbitmq"

This reverts commit 4f7cac76b2235ccf19e97f27fd38f6efcd440ce8.

Conflicts:
	development/vagrant-init.sh