v0.2.0

• Full support for PuppetDB 4.x
• Updating Semantic UI to 2.1.8
• Updating Flask-WTF requirements to 0.12
• Updating WTForms to 2.x
• Restored CSRF protection on the Query Tab form
• Updating Pypuppetdb requirement to 0.3.x
• New configuration option OVERVIEW_FILTER allows users to add custom
  PuppetDB query clauses to include/exclude nodes displayed on the
  index page
• Adding Radiator view similar to what is available in Puppet Dashboard
• Adding a drop-down list in the Reports tab to configure the number of
  reports displayed
• Removing unneeded report_latest() endpoint. This endpoint was deprecated
  with the addition of the latest_report_hash field in the Nodes
  PuppetDB endpoint
• Enhancing Report pagination
• Using the OOP Query Builder available in Pypuppetdb 0.3.x
• Allowing PQL queries in the Query Tab
• Fixing double url-quoting bug on Metric endpodint calls
• Adding a Boolean field to the Query form to prettyprint responses from
  PuppetDB
• Fixing corner-case where empty environments would trigger a ZeroDivisionError
  due to the Number of Nodes divided by the Number of Resources calculation
• Adding additional logging in utils.py