Revert "[maven-release-plugin] prepare for next development iteration"

This reverts commit ba7ed18443fb0789526f9d03af7aa34e953aaa6d.
diff --git a/hyracks/hyracks-control/hyracks-control-common/pom.xml b/hyracks/hyracks-control/hyracks-control-common/pom.xml
index f304520..1ca1756 100644
--- a/hyracks/hyracks-control/hyracks-control-common/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-common/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.18-SNAPSHOT</version>
+    <version>0.2.17-incubating</version>
   </parent>
 
   <build>
@@ -49,7 +49,7 @@
   	<dependency>
   		<groupId>org.apache.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.18-SNAPSHOT</version>
+  		<version>0.2.17-incubating</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>