Increase default memory size to 2G

This avoids running out of /tmp space during the integration tests
which run as part of Docker's `make test`.

See https://github.com/dotcloud/docker/issues/6331.
Update docs for 2G memory default

Docker-DCO-1.1-Signed-off-by: Glyn Normington <gnormington@gopivotal.com> (github: glyn)
Fixes a wrong tab indent in the docopt string.

Signed-off-by: Markus Hubig <mhubig@gmail.com>
Fix sed command to find VM IP address in readme

The `-E` flag is needed to make `+` work in the version of sed in
OS X.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #157 from mhubig/docopt-fix

Fixes a wrong tab indent in the docopt string.
Merge pull request #156 from bfirsh/fix-command-to-find-vm-ip-in-readme

Fix sed command to find VM IP address in readme
Merge pull request #151 from glyn/master

Increase default memory size to 2G
point out that there is now a boot2docker ip command
Merge pull request #158 from SvenDowideit/add-boot2docker-ip-hint

point out that there is now a boot2docker ip command
version bump
Merge pull request #159 from SvenDowideit/pre-1.0.1

version bump
retry one last time to get the IP address using ssh
Merge pull request #160 from SvenDowideit/retry-get-ip-ssh

retry one last time to get the IP address using ssh
It was a little weird seeing no feedback - and I'd forgotten that I'd set the DOCKER_HOST
Merge pull request #161 from SvenDowideit/tell-user-docker_host-is-good

It was a little weird seeing no feedback - and I'd forgotten that I'd se...
Ignore vim *.swp files

Docker-DCO-1.1-Signed-off-by: Nathan LeClaire <nathan.leclaire@docker.com> (github: nathanleclaire)
Gofmt a few things

Docker-DCO-1.1-Signed-off-by: Nathan LeClaire <nathan.leclaire@docker.com> (github: nathanleclaire)
Merge pull request #168 from nathanleclaire/fmtmonster

Gofmt a few things
Merge pull request #167 from nathanleclaire/vimignore

Ignore vim *.swp files
Switch Dockerfile to be based on Debian and update it to Go 1.3