Revert "Try using lo and not dummy for arp proxying"

This reverts commit ab46c0a7db8c108ec8546b924568be52f0e16a58.
config-items: rename files
node-agent: unset FLOCKER so that agent doesn't think it holds the lock
pyagent: add timeouts to network calls
pyagent: add docker inspect output to resource
pub-sub: add logging
launcher: add CATTLE_HOME handling to Main class
agent-instance: set name on agent instance containers
pyagent: better exit codes in net-util.sh
pyagent: check for KVM module on startup

For a very odd reason unknown to me, this fixes a memory leak
agent-instance: set name on agent instance containers
pyagent: properly chunk binary data so that we don't kill CPU and memory
pyagent: check for old eventlet
tests: empty qcow2 for testing
agent-instance: change to config item settings
auth: switch agents to using kind=agentApiKey instead of kind=apiKey
ipsec-vpn: support VMs for VPN
config-item: more efficient logging
config-scripts: rename FLOCKER to CATTLE_CONFIG_FLOCKER
docker: don't put image ID in name because its not correct if the tag changes