add more Copyright notes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

examples/c++/example.cpp

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #include<vector>
 #include"z3++.h"
 

examples/c/test_capi.c

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #include<stdio.h>
 #include<stdlib.h>
 #include<stdarg.h>

examples/interp/iz3.cpp

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <iostream>

examples/maxsat/maxsat.c

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 /*
   Simple MAXSAT solver on top of the Z3 API.
 */

examples/tptp/tptp5.cpp

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #include <string>
 #include <cstring>
 #include <list>

examples/tptp/tptp5.h

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #ifndef TPTP5_H_
 #define TPTP5_H_
 

examples/tptp/tptp5.lex.cpp

@@ -1,3 +1,9 @@
+
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
 #line 2 "tptp5.lex.cpp"
 
 #line 4 "tptp5.lex.cpp"