v1.2.0

• Fix #331 Updating test expectation after latest ADB release @hferentschik
• Fix #207 Removes SPEC file from repository and reference from README @navidshaikh
• Fix #321 Adding support for HTTPS URLs for download URLs @budhrg
• Fix #323 Adding note about CLI default download location @navidshaikh
• Fix #312 Improving test for install-cli of Kubernetes @hferentschik
• Fix #312 Adding message to install-cli to indicate that Kubernetes is not supported by this command @budhrg
• Fix #93 Adding Rubocop configuration @hferentschik
• Fix #90, #196 and #289 Introducing unit tests using minitest @budhrg
• Fix #90 Add install-cli command @budhrg
• Fix #281 Making download of box file a true dependency of the feature task with update checks @hferentschik
• Fix #20 Adding documentation about the Docker TLS certification creation @hferentschik
• Fix #291 Reorganized the Available Commands section @Preeticp
• Fix #285 Native methods to detect host platform @budhrg
• Fix #287 Removed Unnecessary TODO file @budhrg
• Fix #288 Adding build status image to README @hferentschik
• Fix #278 Acceptance tests for --help option for commands like box, env and service-operations @budhrg
• Fix #275 Fixes typo in vagrant service-manager --help output @navidshaikh
• Fix #272 README fix for env default behavior @budhrg
• Fix #262 Updating CI config @hferentschik
• Fix #270 Fix DOCKER_API_VERSION properly on Windows @budhrg
• Fix #268 Explicitly setting v1.8.4 as dev version for Vagrant as HEAD has switched to Ruby 2.2 @hferentschik
• Fix #252 Added --script-readable option to box ip @budhrg