GUACAMOLE-773: Update Java dependencies to latest stable, compatible versions.

doc/licenses/jose4j-0.7.9/NOTICE

@@ -0,0 +1,14 @@
+jose4j
+Copyright 2012-2015 Brian Campbell
+
+EcdsaUsingShaAlgorithm contains code for converting the concatenated
+R & S values of the signature to and from DER, which was originally
+derived from the Apache Santuario XML Security library's SignatureECDSA
+implementation. http://santuario.apache.org/
+
+The Base64 implementation in this software was derived from the
+Apache Commons Codec project. http://commons.apache.org/proper/commons-codec/
+
+JSON processing in this software was derived from the JSON.simple toolkit.
+https://code.google.com/p/json-simple/
+