Bump version to 6.0.0-SNAPSHOT.

Change-Id: I1e2ba33d37261386d88c4379d508db2c5e84bc51
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/pom.xml b/pom.xml
index 501bf63..f1fafdb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>org.eclipse.dltk</groupId>
 		<artifactId>dltk.build.all</artifactId>
-		<version>5.11.0-SNAPSHOT</version>
+		<version>6.0.0-SNAPSHOT</version>
 		<relativePath>../org.eclipse.dltk.releng/pom.xml</relativePath>
 	</parent>
 	<groupId>org.eclipse.dltk.core</groupId>