Merge remote-tracking branch 'ThilinaManamgoda/TAVERNA-990'

TAVERNA-990 fix

Contributed by ThilinaManamgoda.

This closes #4
diff --git a/pom.xml b/pom.xml
index d054100..27c7837 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,8 +33,8 @@
         <properties>
             <taverna.language.version>0.15.1-incubating</taverna.language.version>
             <taverna.osgi.version>0.2.1-incubating</taverna.osgi.version>
-            <taverna.engine.version>3.1.0-incubating-SNAPSHOT</taverna.engine.version>
-            <taverna.commonactivities.version>2.1.0-incubating-SNAPSHOT</taverna.commonactivities.version>
+            <taverna.engine.version>3.1.0-incubating</taverna.engine.version>
+            <taverna.commonactivities.version>2.1.0-incubating</taverna.commonactivities.version>
             <org.icepdf.version>4.2.0</org.icepdf.version>
             <batik.version>1.7.0-SNAPSHOT</batik.version>
             <org.fife.ui.hexeditor.version>1.1-SNAPSHOT</org.fife.ui.hexeditor.version>