Multiple fixes to deployment scripts and lab

- Clean up private/pub keys from k8s nodes
- Install kpm on k8s nodes, not on master node

bootstrap-node.sh

@@ -1,11 +1,17 @@
 #!/bin/bash
 echo node > /var/tmp/role
 
+# Packages
 sudo apt-get --yes update
 sudo apt-get --yes upgrade
-sudo apt-get --yes install screen vim telnet tcpdump
+sudo apt-get --yes install screen vim telnet tcpdump python-pip
 
+# Pip
+sudo pip install kpm
+
+# SSH
 sudo rm -rf /root/.ssh
 sudo mv ~vagrant/ssh /root/.ssh
+sudo rm -f /root/.ssh/id_rsa*
 sudo chown -R root: /root/.ssh