Use Plone 4.3.x for development.
Add collective.js.jquerui as dependency.
Remove obsolete metadata.xml.
Install all necessary resources (jquery masonry v2) / Init version of jquery.simplelayout.
Update to the latest jquery.masonry.js.
Change markup to div's (not ul > li).
Snap masonry also to grid.
Fix styling, since we are using now div's.
Implement resizeheightstep.
Save the state o every block.
Generate styles per block server side.
Set sortable distance to 1, for better d'n'd experience.
Change plugin structure.
Use plugin structure, which serves some methods public and save the plugin config in a data attribute.
Init simplelayout with the new public mehtods.
Overlay for edit / delete blocks.
Implement destroy method.
Added minimal documentation.
Add builder to test setup.
Fix test setup: Load zcml dependencies.