ice4j SVN revision 506: Fixes a stack overflow reported by James B. Byrne, investigated by Danny van Heumen.

addRTPExtension() is called before a StreamConnector has been set, and a
NPE when an ssrc-audio-level extension is set while there is no device
session.

Conflicts:
	resources/install/build-debian.xml
	resources/install/debian/copyright
	resources/install/debian/patches/sdes4j.patch

java.lang.NullPointerException at
org.jitsi.impl.neomedia.transform.srtp.SRTPTransformer.transform(SRTPTransformer.java:205) at
org.jitsi.impl.neomedia.transform.dtls.DtlsPacketTransformer.transform(DtlsPacketTransformer.java:1227) at
org.jitsi.impl.neomedia.transform.SinglePacketTransformer.transform(SinglePacketTransformer.java:84) at
org.jitsi.impl.neomedia.transform.TransformEngineChain$PacketTransformerChain.transform(TransformEngineChain.java:293) at
org.jitsi.impl.neomedia.transform.TransformUDPOutputStream.createRawPacket(TransformUDPOutputStream.java:67) at
org.jitsi.impl.neomedia.RTPConnectorOutputStream.write(RTPConnectorOutputStream.java:423) at
org.jitsi.impl.neomedia.rtp.translator.OutputDataStreamImpl.doWrite(OutputDataStreamImpl.java:201) at
org.jitsi.impl.neomedia.rtp.translator.OutputDataStreamImpl.run(OutputDataStreamImpl.java:344) at
java.lang.Thread.run(Thread.java:745)

Updates the JNA library to version 4.1.0 because it is dual-licensed under LGPL 2.1 and Apache License 2.0.

Updates the JNA library to version 4.1.0 because it is dual-licensed under LGPL 2.1 and Apache License 2.0.

Moves the FFmpeg and G722 JNI libraries from libjitsi to jitsi-lgpl-dependencies because they statically link to LGPL objects.