Bump axiom to 2.0.0

Author: Robert Lazarski

pom.xml

@@ -464,7 +464,7 @@
     <properties>
         <neethi.version>3.2.1</neethi.version>
         <woden.version>1.0M10</woden.version>
-        <axiom.version>2.0.0-SNAPSHOT</axiom.version>
+        <axiom.version>2.0.0</axiom.version>
         <xmlschema.version>2.3.1</xmlschema.version>
         <ant.version>1.10.15</ant.version>
         <antlr.version>2.7.7</antlr.version>