update bullet so it actually works

Moved the addSourceDirectory for physics/Bullet into the Engine/Source/CMakeLists.txt file that way it can actually appear where we expect it to in the solution explorer.

Engine/lib/bullet/examples/OpenGLWindow/Shaders/projectiveTextureInstancingVS.glsl

@@ -0,0 +1,97 @@
+#version 330 
+precision highp float;
+
+
+layout (location = 0) in vec4 position;
+layout (location = 1) in vec4 instance_position;
+layout (location = 2) in vec4 instance_quaternion;
+layout (location = 3) in vec2 uvcoords;
+layout (location = 4) in vec3 vertexnormal;
+layout (location = 5) in vec4 instance_color;
+layout (location = 6) in vec4 instance_scale_obUid;
+
+
+uniform mat4 TextureMVP;
+uniform mat4 MVP;
+uniform vec3 lightPosIn;
+uniform vec3 cameraPositionIn;
+uniform mat4 ViewMatrixInverse;
+uniform float materialShininessIn;
+uniform vec3 lightSpecularIntensityIn;
+uniform vec3 materialSpecularColorIn;
+
+out vec4 ShadowCoord;
+
+out Fragment
+{
+     vec4 color;
+} fragment;
+
+out Vert
+{
+	vec2 texcoord;
+} vert;
+
+
+vec4 quatMul ( in vec4 q1, in vec4 q2 )
+{
+    vec3  im = q1.w * q2.xyz + q1.xyz * q2.w + cross ( q1.xyz, q2.xyz );
+    vec4  dt = q1 * q2;
+    float re = dot ( dt, vec4 ( -1.0, -1.0, -1.0, 1.0 ) );
+    return vec4 ( im, re );
+}
+
+vec4 quatFromAxisAngle(vec4 axis, in float angle)
+{
+    float cah = cos(angle*0.5);
+    float sah = sin(angle*0.5);
+	float d = inversesqrt(dot(axis,axis));
+	vec4 q = vec4(axis.x*sah*d,axis.y*sah*d,axis.z*sah*d,cah);
+	return q;
+}
+//
+// vector rotation via quaternion
+//
+vec4 quatRotate3 ( in vec3 p, in vec4 q )
+{
+    vec4 temp = quatMul ( q, vec4 ( p, 0.0 ) );
+    return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );
+}
+vec4 quatRotate ( in vec4 p, in vec4 q )
+{
+    vec4 temp = quatMul ( q, p );
+    return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );
+}
+
+out vec3 lightPos,normal,ambient;
+out vec4 vertexPos;
+out vec3 cameraPosition;
+out float materialShininess;
+out vec3 lightSpecularIntensity;
+out vec3 materialSpecularColor;
+
+
+void main(void)
+{
+	vec4 q = instance_quaternion;
+	ambient = vec3(0.5,.5,0.5);
+			
+	vec4 worldNormal = (quatRotate3( vertexnormal,q));
+	
+	normal = worldNormal.xyz;
+
+	lightPos = lightPosIn;
+	cameraPosition = cameraPositionIn;
+	materialShininess = materialShininessIn;
+	lightSpecularIntensity = lightSpecularIntensityIn;
+	materialSpecularColor = materialSpecularColorIn;
+	
+	vec4 localcoord = quatRotate3( position.xyz*instance_scale_obUid.xyz,q);
+	vertexPos = vec4((instance_position+localcoord).xyz,1);
+	
+	vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);
+	gl_Position = vertexLoc;
+
+	fragment.color = instance_color;
+}
+