start making lights configurable
fallback to looping through <script> elements if document.currentScript is not supported
better tile timeout
Merge branch 'master' into light-config
fix build type check when document.currentScript is unsupported
utility for (linearly) interpolating a value between control points
update lights & do GL setup
camera: use pixels for relative values, simplify on [x,y] arrays only, use interpoliation util func
lights: add initial config params for point light
demo: update scene def for new camera & light params
update build
parse floats
light: don't let directional light factor be negative
light: add parameters for directional light
switch back default demo light
set tile source type property so it gets propagated to worker
use response instead of responseText, to handle binary responses
protect against premature resizing
XHR: only use response for binary types
Merge branch 'master' into light-config