splitting hyracks-hdfs into submodules in order to support various hadoop versions

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@2917 123451ca-8445-de46-9d55-352943316053
diff --git a/pregelix/pregelix-api/pom.xml b/pregelix/pregelix-api/pom.xml
index cdb5adf..0643804 100644
--- a/pregelix/pregelix-api/pom.xml
+++ b/pregelix/pregelix-api/pom.xml
@@ -78,7 +78,7 @@
 		</dependency>
 		<dependency>
                         <groupId>edu.uci.ics.hyracks</groupId>
-                        <artifactId>hyracks-hdfs</artifactId>
+                        <artifactId>hyracks-hdfs-core</artifactId>
                         <version>0.2.3-SNAPSHOT</version>
                         <type>jar</type>
                         <scope>compile</scope>