0.6.0

• Added terminus cli console (Instantiates a console within Terminus)
• Added terminus site init-env (Initializes new test or live environments on Pantheon)
• Added terminus site merge-from-dev (Merges master/dev environment into a multidev environment)
• Added terminus site merge-to-dev (Merges a multidev environment into master/dev)
• Added terminus sites cache (Lists sites in cache)
• Added terminus sites mass-update (Runs upstream updates on all dev sites)
• Added element flag to terminus site import (Select specific element[s] to import)
• Added behavior tests
• Added QA report tests
• Added linter tools
• Added CHANGELOG.txt
• Fixed terminus site import
• Fixed terminus site team list
• Fixed password display on login failure
• Fixed 100x loop on workflow failure
• Changed dashboard URL given by terminus site dashboard from https://dashboard.getpantheon.com/... to https://dashboard.pantheon.io/...
• Changed terminus sites create to make org parameter optional
• Changed dependencies
• Changed README
• Deprecated --nocache