* Save section/block preferences in user data
* Optimize updateSection code
* Remove no longer used prop
* Refactor dashboard blocks to make them extendable
* Check that defaultSection exists before merging
* Rename 'sectionsDefinion' to 'defaultSections'
* Add Dashboard README
* Update README with new props
* Update settings when moving/removing dashboard sections
* Add missing props to README example
* Move 'section.js' inside 'components' folder
* Fix README sentence
Albert Juhé Lluveras
Paul Sealock