Update code to work with webpack

Start replacing gulp with webpack

Changed node-webkit window size

More likely to see bloats than skeletons, harder to get sucked out

Updated help message

Added rocket launcher to ship generator

Player starts with a pistol

Added rocket launcher

Added note about arrow keys to help screen

Support for arrow keys and numpad

Added legacy options to gulpfile

Fixed typo in help screen

Hiding the hud when the overlay is visible

Fixed renderer bug where real information was used to draw walls rather than knowledge

Added missing auto_climb.js