Version 1.0.8

• scaffold plugin:
  • Adds package-lock.json, yarn.lock to distignore template [#57].
• scaffold plugin-tests:
  • Removes XDebug in scaffolded .travis.yml to improve performance [#49].
  • Improves error message when phpunit is run before bin/install-wp-tests.sh [#55].
• Updates scaffolded tests to latest [#53, #56].