cleanup vm build script, fixes #1591

vm/README.txt

@@ -1,31 +1,33 @@
 Create virtual disk of pan.do/ra
 
-== ubuntu-vm-builder setup ==
+== Preparations ==
 
-on ubuntu 11.10 you need to install python-vm-builder
+Pan.do/ra VM scripts use python-vm-builder,
+its available in ubuntu 12.04 and later
 
   apt-get install python-vm-builder
 
-due to https://bugs.launchpad.net/vmbuilder/+bug/683614
-building vbox images does not work. install virtualbox_vm.py:
-    sudo cp virtualbox_vm.py /usr/lib/python2.6/dist-packages/VMBuilder/plugins/virtualbox/vm.py
 
-(or change vbox to kvm to build kvm image)
+== Building ==
 
-with that installed build image:
+You can configure some of the arguments in build.sh once done run:
 
  ./build.sh
 
 this will create a vdi image in pandora/
 
+
 == VirtualBox Usage ==
+
 Now you can create a new VirtualBox machine,
 select Linux/Ubuntu and use vdi image as existing hard disk.
 
 Before starting up:
  In Network -> Adpater 1 set to Bridged Adapter with your connected controller
 
+
 == Use for development ==
+
 Login via ssh or in terminal as pandora with password pandora
 
   ssh pandora@pandora.local
@@ -37,13 +39,8 @@ Pan.do/ra is installed in /srv/pandora and is served with nginx on http://pandor
 
 
 == Update ==
+
 to get the latest version of pan.do/ra
  cd /srv/pandora
- ./update.sh
-
-you might have to adjust the database at this point. now restart pandora daemons
-
- service pandora restart
- service pandora-tasks restart
- service pandora-encoding restart
+ ./update.py