Move iptables into sub package
Add DaemonConfig

Use a config type for accessing data
Add bridgeiface name to config
Add option to disable iptables
Move proxy into sub package
Add flag to set the default ip ports are bound to
Refactor internal port mappings
Add destination to iptables conf
Add warning and build error for public image ports
Add -expose flag to expose ports without publishing
Add IP to APIPort struct
Refactor internal port mappings
Initial commit to add links and inject env
Add port and ip for links
Prevent inter-container communication
Create private link via iptables to linked containers

Allow active links to be removed
Create LinkRepository during runtime init
Do not reference ports for linking containers
Add view all links for the engine
Add default port for link

Add links unit test file
Update new unittests after rebase