ASTERIXDB-1136: Make Java compiler target configurable via profile

Change-Id: I10378f9d3fdec9b4951f53c9b370b7741668e537
Reviewed-on: https://asterix-gerrit.ics.uci.edu/273
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
index 3ba806e..b484049 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-1.x/pom.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0"?>
 <!--
  ! Licensed to the Apache Software Foundation (ASF) under one
  ! or more contributor license agreements.  See the NOTICE file
@@ -28,20 +27,7 @@
 		<version>0.2.17-SNAPSHOT</version>
 	</parent>
 
-	<build>
-		<plugins>
-			<plugin>
-				<groupId>org.apache.maven.plugins</groupId>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.0.2</version>
-				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
-					<fork>true</fork>
-				</configuration>
-			</plugin>
-		</plugins>
-	</build>
+
 
 	<profiles>
 		<profile>