Add outline of potential dropdown configuration approach
Add XML-based dropdown configuration support
- Add config storage field on block object to support blockToDom (makes it work when dragging/cloning blocks)
- Allow for empty FieldDropdown initialization
Fix example comment [ci skip]
Add requirement
Remove unnecessary null check and comment
Update comment and return type [ci skip]
Change empty check
Fix unit tests
- Move debug build file from blockly_debug.js to blockly_uncompressed.js (note: requires corresponding blockly change)
- Move blockly_uncompressed require above goog/base require
- Add test running instructions
Add test for printerRangeToNumbers utility function
Merge pull request #112 from code-dot-org/support_testing

Fix unit test page
Merge pull request #111 from code-dot-org/configurable_field_dropdowns

Support number dropdowns with configurable options