make points render as points, doAllSteps to make Dynamic loading easier, and auto-position for the earthquake map
	modified:   DataPoint.js
	modified:   cameraAndStuff.js
	modified:   demoUtils.js
	modified:   index.html
	modified:   tree.js
Merge pull request #43 from smcclure879/master

make points render as points, doAllSteps to make Dynamic loading easier,...