Fixed memory leaks in ConvexDecomposition and ColladaConverter libraries

Added ConvexDecompositionDemo to CMake build

Extras/ConvexDecomposition/ConvexBuilder.cpp

@@ -150,7 +150,10 @@ CHull * ConvexBuilder::canMerge(CHull *a,CHull *b)
 	
 	//don't do anything if hull is empty
 	if (!tcount)
+	{
+		Vl_releaseVertexLookup (vc);
 		return 0;
+	}
 
 	HullResult hresult;
 	HullLibrary hl;
@@ -323,6 +326,8 @@ unsigned int ConvexBuilder::process(const DecompDesc &desc)
 			mCallback->ConvexDecompResult(r);
 		}
 
+		hl.ReleaseResult (result);
+
 
 		delete cr;
 	}

Extras/ConvexDecomposition/ConvexDecomposition.cpp

@@ -204,6 +204,7 @@ void calcConvexDecomposition(unsigned int           vcount,
     }
 #endif
 
+    hl.ReleaseResult (result);
     return;
 
   }

Extras/ConvexDecomposition/cd_wavefront.cpp

@@ -816,8 +816,8 @@ WavefrontObj::WavefrontObj(void)
 
 WavefrontObj::~WavefrontObj(void)
 {
-	delete mIndices;
-	delete mVertices;
+	delete [] mIndices;
+	delete [] mVertices;
 }
 
 unsigned int WavefrontObj::loadObj(const char *fname) // load a wavefront obj returns number of triangles that were loaded.  Data is persists until the class is destructed.
@@ -825,9 +825,9 @@ unsigned int WavefrontObj::loadObj(const char *fname) // load a wavefront obj re
 
 	unsigned int ret = 0;
 
-	delete mVertices;
+	delete [] mVertices;
 	mVertices = 0;
-	delete mIndices;
+	delete [] mIndices;
 	mIndices = 0;
 	mVertexCount = 0;
 	mTriCount = 0;