Changed ii++, jj++, kk++ to ++ii, ++jj, ++kk
Changed ii++, jj++, kk++ to ++ii, ++jj, ++kk. Moved iview.prototype.* from surface to iview.js
Revised f.vertexColors
Renamed CAMERA_Z to camera_z, modelGroup to mdl, rotationGroup to rot, lineWidth to linewidth
Replaced atom.x, .y, .z by atom.coord
Wrapped color hex code with new THREE.Color()
Switched atomR and bondR in drawBondsAsStick
Removed drawDashLines
Buffered ps.getModel() instead of ps
Moved hasCovalentBond downward
Moved hasCovalentBond and loadPDB upward
Renamed secondary structure functions
Simplified render()
Replaced == undefined by === undefined
Renamed sphere and cylinder to mesh in createSphere() and createCylinder()