code-dot-org/blockly — pull request #592 by Bjvanminnen (2014-05-20 00:08:24+00:00)
Title: [Finishes #70791820, #71629086] undeletable blocks, disable neighbor bumping

Two quick fixes. Disable neighbor bumping (depends on https://github.com/code-dot-org/blockly-core/pull/81). Jigsaw blocks should not be deletable.