Fiduswriter

**Main new features:**

* A menu for text selections to comment, place anchor or accept/reject all tracked changes within selection
* Document invites to assign access rights to users who are not yet on Fidus Writer
* Turn remaining pages into Single Page App (SPA)
* Turn Fidus Writer into a Progressive Web App (PWA)
* JATS export
* Epub 3.0 compliance
* Stylesheets included in HTML and Epub exports
* Document template editor to frontend
* Mathlive.js for formula editing
* Give access to all 2000+ CSL citation styles
* Dynamic imports
* Packing using webpack rather than browserify
* Major design overhaul
* Spanish translation update
* Packaging for Pypi

**Fixes:**
* make bulk check all work more intuitively
* fix citationstyles list in template editor
* add styling to editors in template editor

**Fixes:**
* Admin console translation loading

**Fixes:**
* Maintenance: update all first time
* Do not show worker update dialog as it was not shown in the right place
* Bulk selector: show checkmark if activated

**Fixes:**
* smaller app.js
* Exclude admin pages from service worker
* access this.dom instead of document.body to prevent issues with rapid page navigation
* replace jszip-utils.getBinaryFile with get
* maintenance: wait between conversions
* use goTo when copying document

**Fixes:**
* Make work in production mode (using babel/polyfill for async generators)
* remove title/optional from separator
* make datatable_bulk not throw errors when elements no longer present