Partial cleanup of util/lp/*

src/util/lp/lar_solution_signature.h

@@ -1,13 +1,28 @@
-/*
-  Copyright (c) 2017 Microsoft Corporation
-  Author: Lev Nachmanson
-*/
+/*++
+Copyright (c) 2017 Microsoft Corporation
+
+Module Name:
+
+    <name>
+
+Abstract:
+
+    <abstract>
+
+Author:
+
+    Lev Nachmanson (levnach)
+
+Revision History:
+
+
+--*/
 
 #pragma once
 #include "util/vector.h"
 #include "util/debug.h"
 #include "util/lp/lp_settings.h"
 #include <unordered_map>
-namespace lean {
+namespace lp {
 typedef std::unordered_map<unsigned, non_basic_column_value_position> lar_solution_signature;
 }