* 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.
