Adding virtualbox configuration.

.gitignore

-.vagrant
+.vagrant*
 build/RPMS
 build/SOURCES
 build/SPECS
-build/SRPMS
\ No newline at end of file
+build/SRPMS

Vagrantfile

@@ -22,6 +22,8 @@ Vagrant.configure("2") do |config|
 	# doesn't already exist on the user's system.
 	config.vm.box_url = "http://downloads.eox.at/boxes/centos64.box"
 
+	config.vm.hostname = "builder-rpm-vagrant"
+
 	# Create a forwarded port mapping which allows access to a specific port
 	# within the machine from a port on the host machine. In the example below,
 	# accessing "localhost:8080" will access port 80 on the guest machine.
@@ -50,8 +52,17 @@ Vagrant.configure("2") do |config|
 	# backing providers for Vagrant. These expose provider-specific options.
 	# View the documentation for the provider you're using for more
 	# information on available options.
-	config.vm.provider :virtualbox do |vb|
-		vb.customize ["modifyvm", :id, "--memory", 1024]
+	config.vm.provider "virtualbox" do |v|
+		# Custom name
+		v.name = "builder_rpm"
+
+		# Increase memory and cpus
+		v.customize ["modifyvm", :id, "--memory", 1024, "--cpus", 2]
+		# Increase performance i.e. don't use swap extensively 
+		v.customize ["modifyvm", :id, "--ioapic", "on", "--largepages", "off", "--vtxvpid", "off"]
+
+		# Use GUI for debugging purposes
+		#v.gui = true
 	end
 
 	# Enable provisioning with Puppet stand alone.  Puppet manifests