GUACAMOLE-1905: Revert to java-saml-compatible version of woodstox.

doc/licenses/woodstox-core-5.4.0/README

@@ -1,7 +1,7 @@
 Woodstox Core (https://github.com/FasterXML/woodstox)
 ------------------------------------------------------
 
-    Version: 6.5.0
+    Version: 5.4.0
     From: 'FasterXML, LLC' (http://fasterxml.com/)
     License(s):
         Apache v2.0

doc/licenses/woodstox-core-5.4.0/dep-coordinates.txt

@@ -0,0 +1 @@
+com.fasterxml.woodstox:woodstox-core:jar:5.4.0

doc/licenses/woodstox-core-6.5.0/dep-coordinates.txt

@@ -1 +0,0 @@
-com.fasterxml.woodstox:woodstox-core:jar:6.5.0