Add license info so it is visible to maven

Change-Id: I2fa750d7e08acad8a95fdcd2147f83b62061980c
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/185
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <westmann@gmail.com>
diff --git a/asterix-runtime/pom.xml b/asterix-runtime/pom.xml
index d2e3e00..2b1847b 100644
--- a/asterix-runtime/pom.xml
+++ b/asterix-runtime/pom.xml
@@ -21,6 +21,15 @@
 	</parent>
 	<artifactId>asterix-runtime</artifactId>
 
+  <licenses>
+    <license>
+      <name>Apache License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
+      <comments>A business-friendly OSS license</comments>
+    </license>
+  </licenses>
+
 
 	<build>
 		<plugins>