Update tycho to latest

Signed-off-by: Greg Watson <g.watson@computer.org>
diff --git a/pom.xml b/pom.xml
index 3c34901..6387350 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 	<name>PTP Photran Parent</name>
 
 	<properties>
-		<tycho-version>1.1.0</tycho-version>
+		<tycho-version>1.4.0</tycho-version>
 		<tycho-extras-version>${tycho-version}</tycho-extras-version>
 		<photran-install-dir>/home/data/httpd/download.eclipse.org/tools/ptp/builds/hudson/ptp-nightly-photran</photran-install-dir>
 	</properties>