* Removing goog.arrays.equals() in blocks/procedures.js, with minor refactor.
* Replacing goog.dom.createDom() in blocks/procedures.js, blocks/variables.js, blocks/variables_dynamic.js, and blocks/loops.js.
* Making all blocks use the MSG colour values.
* Deprecating Blockly.Constants.Lists.HUE and similar constants.
* Removing deprecated Blockly.Blocks.lists.HUE constants.
* Allowing message references in the Block.setColour() parameter.
* Adding checking of older constants, ensuring they are not overwritten.
* variables_dynamic
* make test , and i18n
* Issue #1470
* Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_MUTATION
to make sure setCheck before event trigger
* Update built files from develop.
* fix copyright ,quotes , comments , and optimize some flow.
* quotes,change UI , change category custom name
* single setter , remove mutator , colour typo , typed variables create button message
* undo the indent edits.