website: Update gems

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
Merge pull request #307 from flynn/website-update-gems

website: Update gems
website: Standardize GitHub capitalization

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
website,util/packer: Standardize VirtualBox capitalization

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
website,CONTRIBUTING: Unify contributing content

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
website: Capitalize Docker

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
website: Capitalize Go

Signed-off-by: Jonathan Rudenberg <jonathan@titanous.com>
Merge pull request #312 from flynn/capitalization

Capitalization cleanup
website: Use CONTRIBUTING.md from project root in docs

fixes #311

Signed-off-by: Jesse Stuart <jesse@jessestuart.ca>
Merge pull request #314 from flynn/website-contributing

website: Use CONTRIBUTING.md from project root in docs
cli: Document creating new releases using images.

[ci skip]

Signed-off-by: Blaž Hrastnik <blaz.hrast@gmail.com>
Merge pull request #298 from flynn/document-flynn-release

cli: Document creating new releases using images.
cli: Docopt expects at least two spaces between flag and desc.

Signed-off-by: Blaž Hrastnik <blaz.hrast@gmail.com>
website: Add CLI docs.

Signed-off-by: Blaž Hrastnik <blaz.hrast@gmail.com>
website: Add link to CLI docs.

Signed-off-by: Blaž Hrastnik <blaz.hrast@gmail.com>
cli, website: Pretty-print help JSON.

Signed-off-by: Blaž Hrastnik <blaz.hrast@gmail.com>