Package management

New Features

• A new ui for managing a projects packages
  • Overview of current packages for a project (both defined and transitive)
  • facility to search and add plugins defined in the central elm package repo
  • Remove a dependency from your project
  • Refresh dependencies (typically after modifying elm-package.json by hand)

Fixes/changes

• Strip out ansi color codes from lint/make results (introduced in elm 0.16.0)