reverted to htm notation (sorry my mistake)

included test for assigment operator
remove old release notes file

doc/Release_notes.txt

@@ -1,16 +0,0 @@
-UBLAS
-~~~~~
-
-Copyright (c) 2000-2004 Joerg Walter, Mathias Koch
-
-Distributed under the Boost Software License, Version 1.0. (See
-accompanying file LICENSE_1_0.txt or copy at
-http://www.boost.org/LICENSE_1_0.txt)
-
-1.35.0
-  Updated all files to BSL v1 with permission of the authors.
-
-PRE 1.34.0
-  FIX size_type and difference_type can be non defaults and uBLAS 
-  expressions use the correct types.
-  

test/Jamfile.v2

@@ -132,4 +132,6 @@ test-suite numeric/uBLAS
       ]
       [ run test_complex_norms.cpp
       ]
+	[ run test_assignment.cpp
+	]
     ;