Move stuff to vendor

.gitmodules

@@ -1,15 +1,16 @@
-[submodule "librw"]
-	path = librw
-	url = https://github.com/aap/librw
-[submodule "opus"]
-	path = opus
-	url = https://github.com/xiph/opus.git
-	branch = master
-[submodule "opusfile"]
-	path = opusfile
-	url = https://github.com/xiph/opusfile.git
-	branch = master
-[submodule "ogg"]
-	path = ogg
+[submodule "vendor/ogg"]
+	path = vendor/ogg
 	url = https://github.com/xiph/ogg.git
 	branch = master
+[submodule "vendor/opus"]
+	path = vendor/opus
+	url = https://github.com/xiph/opus.git
+	branch = master
+[submodule "vendor/opusfile"]
+	path = vendor/opusfile
+	url = https://github.com/xiph/opusfile.git
+	branch = master
+[submodule "vendor/librw"]
+	path = vendor/librw
+	url = https://github.com/aap/librw.git
+	branch = master