Added matlab support.

Modified some c and cpp code to help.

matlab/Randomizer.m

@@ -0,0 +1,19 @@
+classdef Randomizer
+    %Randomizer Internal class for random-number generation
+    %   Matlab has its own random-number generators, but this class
+    %   provides consistency with our Python and C++ SLAM implementations.
+    
+    properties (Access = 'private')
+        c_randomizer
+    end
+    
+    methods
+        
+        function r = Randomizer(seed)
+            r.c_randomizer = mex_coreslam('Randomizer_init', seed);
+        end
+        
+    end
+    
+end
+