Bug 574939 - Move to Tycho 2.4.0

Change-Id: Ia0ea60a0b11b354c1019928ac7373bc533fcff89
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/pde/eclipse.pde.ui/+/183218
Tested-by: PDE Bot <pde-bot@eclipse.org>
Tested-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
Reviewed-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index cc23d13..cfc4f26 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -3,6 +3,6 @@
   <extension>
     <groupId>org.eclipse.tycho.extras</groupId>
     <artifactId>tycho-pomless</artifactId>
-    <version>2.3.0</version>
+    <version>2.4.0</version>
   </extension>
 </extensions>
\ No newline at end of file