Upgrade to Tycho 1.4.0

Closes gh-108

Author: philwebb

pom.xml

@@ -49,8 +49,8 @@
 		<picocontainer.version>1.2</picocontainer.version>
 		<system-rules.version>1.16.0</system-rules.version>
 		<trove4j.version>3.0.3</trove4j.version>
-		<tycho.version>1.3.0</tycho.version>
-		<tycho-extras.version>1.3.0</tycho-extras.version>
+		<tycho.version>1.4.0</tycho.version>
+		<tycho-extras.version>1.4.0</tycho-extras.version>
 	</properties>
 	<build>
 		<pluginManagement>