Adds the defaultXml property to set up initial blocks
Adds the ability to keep the categories open during block creation
Refactors all of the property names for the blockly/manager
Fixes the autoClose property, and sets the properties that cannot be set during initialization
Merge pull request #209 from virtual-world-framework/branch/blockly-autoClose-fix

Branch/blockly auto close fix
Merge pull request #208 from virtual-world-framework/branch/blockly-refactor

Branch/blockly refactor
Merge pull request #207 from virtual-world-framework/branch/blockly-autoClose

Branch/blockly auto close
Merge pull request #206 from virtual-world-framework/branch/blcokly-default-xml

Branch/blcokly default xml