Update jdt.core from origin master with I20140415-0800 - I20140501-0200
diff --git a/org.eclipse.jdt.core/pom.xml b/org.eclipse.jdt.core/pom.xml
index 32f03c3..1890dc6 100644
--- a/org.eclipse.jdt.core/pom.xml
+++ b/org.eclipse.jdt.core/pom.xml
@@ -29,6 +29,7 @@
     <plugins>
     <plugin>
 		<artifactId>maven-antrun-plugin</artifactId>
+		<version>1.7</version>
 		<executions>
 			<execution>
 				<phase>prepare-package</phase>