allowing number of CPUs to be customized via DOCKER_CPUS
updates sed to not remove '-g' option
Updates README for setting docker0 CIDR
Adds DOCKER0_CIDR config directive to dvm.conf
Updates Vagrantfile to set docker0 CIDR if given

 * bridge_utils needed to be installed
 * docker0 interface needed to be shutdown
 * docker0 interface needed to be deleted
 * args passed to docker needed to be updated
fixes escaping in sed command
Merge branch 'fix/unable-to-stop-delete-containers' into feature/set-docker0-cidr
Use boot2docker-vagrant-box 0.8.0
Merge pull request #20 from rubbish/cpus

allowing number of CPUs to be customized via DOCKER_CPUS
Merge pull request #21 from yacn/fix/unable-to-stop-delete-containers

Fixes inability to stop or delete containers if DOCKER_ARGS used
Merge branch 'feature/set-docker0-cidr' of https://github.com/yacn/dvm into yacn-feature/set-docker0-cidr

Conflicts:
	Vagrantfile
Merge pull request #29 from jfoy/boot2docker-0.8.0

Use boot2docker-vagrant-box 0.8.0
Updates dvm to use b2ds $EXTRA_ARGS config option
Updates dvm.conf with new info
Merge pull request #30 from yacn/feature/use_extra_args

Update dvm to use boot2docker's $EXTRA_ARGS config option
Add project rationale, explaining why it uses private IP address.

Closes #10
Update `dvm check` to attempt to check VMware fusion on Mac.

Closes #19
Update output examples in README.
Release 0.5.0, using boot2docker-vagrant-box 0.8.0.
Added PGP signature for v0.5.0