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-server/pom.xml b/asterix-server/pom.xml
index b00321f..203e5d2 100644
--- a/asterix-server/pom.xml
+++ b/asterix-server/pom.xml
@@ -22,6 +22,15 @@
     <version>0.8.7-SNAPSHOT</version>
   </parent>
 
+  <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>
       <plugin>
@@ -135,4 +144,4 @@
   		<version>1.3.1</version>
   	</dependency>
   </dependencies>
-</project>
\ No newline at end of file
+</project>