Added BSA signature, removed auto-generate src/binwalk/magic/binwalk from repo

setup.py

@@ -100,6 +100,11 @@ class CleanCommand(Command):
 
     def run(self):
         try:
+            os.remove("%s/magic/%s" % (MODULE_NAME, MODULE_NAME))
+        except Exception:
+            pass
+
+        try:
             remove_tree("build")
         except KeyboardInterrupt as e:
             raise e

src/binwalk/magic/.gitignore

+binwalk

src/magic/archives

@@ -316,3 +316,12 @@
 
 # Felix von Leitner <felix-file@fefe.de>
 0       string  d8:announce     BitTorrent file
+
+# BSA archives, based on http://forum.step-project.com/topic/5033-ramifications-of-bsa-extraction-in-mod-organizer/page-16
+0       string          BSA\x00\x67             BSA archive, version: 103,
+>8      byte            !0x24                   invalid
+>8      byte            0x24                    folder records offset: %d
+0       string          BSA\x00\x68             BSA archive, version: 104,
+>8      byte            !0x24                   invalid
+>8      byte            0x24                    folder records offset: %d
+