3 lights ( + material and shader injection) implemented and tested on ios, android and rasberrypi

Lot of changes. Please review
+1 style check automation

On Thu, Dec 18, 2014 at 2:30 PM, Karim Naaji <notifications@github.com>
wrote:
>
> In core/resources/point_light.glsl
> <https://github.com/tangrams/tangram-es/pull/31#discussion-diff-22065008>:
>
> > @@ -0,0 +1,94 @@
> > +struct PointLight {
> > +    vec4 ambient;
> > +    vec4 diffuse;
> > +    vec4 specular;
> > +   	vec4 position;
>
> Reading through comments.. cleaning those by hand is really long and waste
> of time, I found this which works pretty well for c++
> http://astyle.sourceforge.net/ (indentations and conventions), we should
> run the same script with same rules on project before pushing.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/tangrams/tangram-es/pull/31/files#r22065008>.
>