Refactor events into voxel-reach and voxel-mine instead of hijacking Game

Requires https://github.com/deathcap/voxel-reach/commit/1203738b5e836b5f882140419efb31737bf2fb4c and https://github.com/deathcap/voxel-mine/commit/c31f7f4c568d99ce0efb876b8e9d21fd05771306
Update for voxel-reach interact event
Change home key to 'O' to fix conflict with voxel-debug 'H' to show/hide debug window
Merge master
Regenerate bundle.js