Use uname to generate binary download URL

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Update wercker badge

I moved the project.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Fix fig run entrypoint option

Slipped through because Wercker didn't report build status.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #513 from bfirsh/update-wercker-badge

Update wercker badge
Merge pull request #512 from bfirsh/fix-entrypoint

Fix fig run entrypoint option
Add environment variables to cli.md docs.

Signed-off-by: Daniel Nephin <dnephin@gmail.com>
Merge pull request #518 from dnephin/env_docs

Add environment variables to cli.md docs
Clean up environment variable docs

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>
Merge pull request #521 from aanand/clean-up-env-docs

Clean up environment variable docs
Merge pull request #509 from bfirsh/smarter-binary-urls

Use uname to generate binary download URL
Recommend boot2docker in installation instructions

Fixes #26

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Merge pull request #508 from bfirsh/recommend-boot2docker-in-install-instructions

Recommend boot2docker in installation instructions
Remove references to docker-osx

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>
Merge pull request #523 from aanand/remove-references-to-docker-osx

Remove references to docker-osx