Core/Misc: update g3dlite lib (#2904)

* Core/Misc: update g3dlite lib

* update

Co-authored-by: Francesco Borzì <borzifrancesco@gmail.com>

deps/g3dlite/include/G3D/Matrix.h

@@ -234,7 +234,7 @@ public:
     };
 private:
 
-    typedef ReferenceCountedPointer<Impl> ImplRef;
+    typedef shared_ptr<Impl> ImplRef;
 
     ImplRef       impl;
 
@@ -501,10 +501,13 @@ public:
     }
 
     /**     
-     (A<SUP>T</SUP>A)<SUP>-1</SUP>A<SUP>T</SUP>) computed 
-     using SVD.
+            \brief Computes the Moore-Penrose pseudo inverse, equivalent to
+            (A<SUP>T</SUP>A)<SUP>-1</SUP>A<SUP>T</SUP>).  The SVD method is used
+            for performance when the matrix has more than four rows or columns
 
-     @param tolerance Use -1 for automatic tolerance.
+            \cite http://en.wikipedia.org/wiki/Moore%E2%80%93Penrose_pseudoinverse
+
+            \param tolerance Use -1 for automatic tolerance.
      */
     Matrix pseudoInverse(float tolerance = -1) const;
 
@@ -576,7 +579,7 @@ public:
     /** Serializes in Matlab source format */
     void serialize(TextOutput& t) const;
 
-	std::string toString(const std::string& name) const;
+    std::string toString(const std::string& name) const;
 
     std::string toString() const {
         static const std::string name = "";