element_proxis:

 add comparison operators
 need copy assignment operator to overide implict version, but other assignment only need template version


[SVN r24527]

libs/numeric/ublas

@@ -1 +1 @@
-Subproject commit 8bb8f8e6465985ec80f6ab3adda4bd5cb79c6bf8
+Subproject commit 8168c2888238f2843fc7b1a8067dca12a8b6fd01