Bug 579015 - Move to tycho 2.7.0

Change-Id: I254fa3eaaa41468cd545d3072781053c13a07318
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/191289

.mvn/extensions.xml

diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index 5125b72..aa1268d 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
+
 <extensions>
-  <extension>
-    <groupId>org.eclipse.tycho.extras</groupId>
-    <artifactId>tycho-pomless</artifactId>
-    <version>2.6.0</version>
-  </extension>
+	<extension>
+		<groupId>org.eclipse.tycho</groupId>
+		<artifactId>tycho-build</artifactId>
+		<version>2.7.0</version>
+	</extension>
 </extensions>
\ No newline at end of file