Make elasticsearch az-aware
Add mtu-test to openvpn config

Test for optimum mtu when clients connect to the vpn.
Collapse redundant top-file entries into a single entry
Initial tinc state
Add some tinc requires
Dont use grains['host'] in tinc/host template
Make the vpn fully-meshed
Make elasticsearch discovery fully meshed
Migrate elasticsearch to the new vpn
Add an init.d script that takes a status argument
Add 'rebalance' and 'recoveries' to elasticsearch pillar