submodules: add cunit antlr3 ffmpeg gsm libvpx opus speex srtp

.gitmodules

@@ -49,5 +49,29 @@
 [submodule "submodules/externals/bv16-floatingpoint"]
 	path = submodules/externals/bv16-floatingpoint
 	url = git://git.linphone.org/bv16-floatingpoint.git
-
-
+[submodule "submodules/externals/speex"]
+	path = submodules/externals/speex
+	url = git://git.linphone.org/speex.git
+[submodule "submodules/externals/ffmpeg"]
+	path = submodules/externals/ffmpeg
+	url = git://git.linphone.org/ffmpeg.git
+	ignore = dirty
+[submodule "submodules/externals/libvpx"]
+	path = submodules/externals/libvpx
+	url = git://git.linphone.org/libvpx.git
+[submodule "submodules/externals/opus"]
+	path = submodules/externals/opus
+	url = git://git.linphone.org/opus.git
+	ignore = dirty
+[submodule "submodules/externals/gsm"]
+	path = submodules/externals/gsm
+	url = git://git.linphone.org/gsm.git
+[submodule "submodules/externals/srtp"]
+	path = submodules/externals/srtp
+	url = git://git.linphone.org/srtp.git
+[submodule "submodules/externals/antlr3"]
+	path = submodules/externals/antlr3
+	url = git://git.linphone.org/antlr3.git
+[submodule "submodules/cunit"]
+	path = submodules/cunit
+	url = git://git.linphone.org/cunit.git

cunit @ 0a0a9c60

+Subproject commit 0a0a9c60f5a1b899ae26b705fa5224ef25377982

antlr3 @ 52075ffb

+Subproject commit 52075ffb35975c6901e924b4a763b6fb23abd623

ffmpeg @ f139838d

+Subproject commit f139838d6473c7b5152178f602cb953a824c2ff9

gsm @ 0f8822b5

+Subproject commit 0f8822b5326c76bb9dc4c6b552631f51792c3982

libvpx @ cbecf57f

+Subproject commit cbecf57f3e0d85a7b7f97f3ab7c507f6fe640a93

opus @ 1f22ae37

+Subproject commit 1f22ae379bbcdfa376775db2b9407529fb1fa781

speex @ fc1dd43c

+Subproject commit fc1dd43c3c9d244bca1c300e408ce0373dbd5ed8

srtp @ befc2377

+Subproject commit befc23777e07efba36ffd7bda73f22c92d4e2475