More robust database creation in setup.sh

Don't rely on the shell's locale settings for creating the local aic
database.
Vagrant-based setup of main and crowd apps

Provision the main and crowd apps in a virtual machine using Vagrant.
Installs both apps and imports demo data. Requires VirtualBox, Vagrant
(http://www.vagrantup.com/downloads.html) and the Vagrant Hostmanager
plugin (https://github.com/smdahlen/vagrant-hostmanager).