v1.0.0-beta.2

Added

• Code of Conduct
• Contribution guidelines
• Documentation on appendTo option for Draggable
• Added concept of originalSource
• Fix for text selection issue
• Fix for native drag events firing for the MouseSensor
• Fix for missing classes option

Changes

• README updates
• Touch improvements
• ForceTouchSensor is not included by default anymore
• Folder/File restructure
• Exports AbstractEvent as BaseEvent
• Update node version from 8.2.1 to 8.6.0
• Clones event callbacks before triggering (to prevent mutation during iterations)
• Improvements to closest utils helper