added missing Copyright forms

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

scripts/mk_copyright.py

@@ -0,0 +1,54 @@
+import os
+import re
+
+cr = re.compile("Copyright")
+aut = re.compile("Automatically generated")
+
+cr_notice = """
+/*++
+Copyright (c) 2015 Microsoft Corporation
+
+--*/
+
+"""
+
+def has_cr(file):
+    ins = open(file)
+    lines = 0
+    line = ins.readline()
+    while line and lines < 20:
+	m = cr.search(line)
+	if m:
+	    ins.close()
+	    return True
+	m = aut.search(line)
+	if m:
+	    ins.close()
+	    return True
+	line = ins.readline()
+    ins.close()
+    return False
+
+def add_cr(file):
+    tmp = "%s.tmp" % file
+    ins = open(file)
+    ous = open(tmp,'w')
+    ous.write(cr_notice)
+    line = ins.readline()
+    while line:
+	ous.write(line)
+	line = ins.readline()
+    ins.close()
+    ous.close()
+    os.system("move %s %s" % (tmp, file))
+    
+def add_missing_cr():
+    for root, dirs, files in os.walk('src'):
+	for f in files:
+	    if f.endswith('.cpp') or f.endswith('.h'):
+		path = "%s\\%s" % (root, f)
+		if not has_cr(path):
+		    print "Missing CR for %s" % path
+		    add_cr(path)
+
+add_missing_cr()