add grunt-watch and a basic watch task
fix range bug in map generation when doing game.coffee conversion
add clean task
default task; janky deletion of files
add live reload to index.html
add server task
generic dev task
add simple block-destroying bullets
only reload server when app.js changes
remove all user-selection
add more todo:
makePlayerCharacter height argument
only allow jumping when feet are touching the ground
add frictioney feet
press space to fly; walking is a constant speed
flying is now just not falling as fast
really janky adding of blocks on right-click
create blocks in a sensible place
simple particles and raycasting
Refactor the player's character into its own class