Adds missing licenses

Author: Corb3nik

definitions.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+# Copyright (c) 2016 GoSecure Inc.
+
 OPCODES = {
     0 : "NOP",
     1 : "ADD",

opcache_disassembler.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+# Copyright (c) 2016 GoSecure Inc.
+
 from __future__ import unicode_literals
 from opcache_parser import *
 from treelib import Node, Tree

opcache_malware_detect.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+# Copyright (c) 2016 GoSecure Inc.
+
 from opcache_disassembler import OPcacheDisassembler
 import sys
 import os

opcache_parser.py

@@ -1,5 +1,7 @@
 #!/usr/bin/env python
 
+# Copyright (c) 2016 GoSecure Inc.
+
 from construct import *
 from definitions import *