Plonetheme.barceloneta

Bug fixes:

- Make final release. [maurits] (170)
- Initialize towncrier. [gforcada] (2548)

Breaking changes:

- Re-ordering of content columns: Have content container before
column1 before column2. [tmassman]

New features:

- Additional footer portlets show in a doormat footer. [tmassman]

Bug fixes:

- Do not strip the `edit-bar` section from the toolbar. Refs:
https://github.com/plone/Products.CMFPlone/issues/2322 [thet]

New features:

- Integrated plone.app.event styles and further cleanup. [agitator]

Bug fixes:

- Fix nested navigation tree and icon visibility [petschki]

Bug fixes:

- Fix missing colons in less variables [pnicolli]