v2.1 Action!

Version 2.1 Action! of Petronia is out!

• render_active_portal is finally gone.
  • It's been removed. You can't use it anymore. Use the portal_chrome
    instead.
• Updated documentation to reference the yaml files.
  • Documentation has been rearranged to make the yaml config file format
    front and center.
  • Included more example configurations.
• Added component configuration in dictionary-based configuration files.
  • Dictionary-based config files (json, yaml) can now specify the
    configuration and setup for components.
  • Started the path for allowing external components.
• Added portal_chrome component.
  • Shows the active and inactive portals.
• Bug fixes.
  • So many bugs. Actually, they just weren't tracked well.