add 4243 port forward
Add an option to forward all ports to the vagrant host that have been exported from docker containers
validate memory limits & error out if less than 512 KB
add test: fail to create container if mem limit < 512KB
Merge pull request #892 from unclejack/validate_memory_limits

* Runtime: validate memory limits & error out if it's less than 524288
Merge pull request #607 from dotcloud/expose_api_port_vagrant-feature

* Vagrantfile: Add the rest api port to vagrantfile's port_forward
Merge pull request #857 from edx/856-vagrant-port-forwarding

* Vagrantfile: Add an option to forward all ports to the vagrant host that have been ex...