Prep 3.6.0 release

Build prep 3.5.2

Build prep

Improve jump-to-section scrolling

Better handling for document.update TX

Remove obsolete anchor plugin

Bump version to 3.3.2

Bump released to v3.3.1

Add covering indexes to support super-size deployments

Resolves issues for enterprise customers with tonnes of data in these SQL tables:

- dmz_doc
- dmz_section

Multi-tenant compliant.