a lot!!! of changes

added main menu
added debug display
many debug widgets for plotting live data
worked on android live sensors
added offline-data sensor feeding
some dummy data sensors
worked on the map display
added ui debug for grid-points, particles and weights
added a cool dude to display the estimation
added real filtering based on the Indoor components
c++11 fixes for android compilation
online and offline filtering support
new resampling technique for testing
map loading via dialog

res/gl/fragmentColorPoint.glsl

@@ -0,0 +1,25 @@
+#ifdef GL_ES
+// Set default precision to medium
+precision mediump int;
+precision mediump float;
+#endif
+
+// interpolated values
+//varying vec3 v_WorldPos;
+//varying vec3 v_normal;
+//varying vec2 v_texcoord;
+varying vec3 v_color;
+
+void main() {
+
+	// set point color
+	gl_FragColor = vec4(v_color, 1.0);
+
+    #ifdef GL_ES
+
+	// set point size
+	gl_PointSize = 3.0;
+
+    #endif
+
+}