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

This reverts commit 9aa1583eb2fde4a0fa6a95f3bcab40222918398a.
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/pom.xml
index e238806..180014a 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-cc/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.19-SNAPSHOT</version>
+    <version>0.2.18</version>
   </parent>
 
   <properties>
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/pom.xml
index 0858fa2..084eece 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-common/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.19-SNAPSHOT</version>
+    <version>0.2.18</version>
   </parent>
 
   <properties>
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
index 33dcd67..7eaa652 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-control-nc/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.19-SNAPSHOT</version>
+    <version>0.2.18</version>
   </parent>
 
   <properties>
diff --git a/hyracks-fullstack/hyracks/hyracks-control/hyracks-nc-service/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/hyracks-nc-service/pom.xml
index cdc2bc8..c5d277b 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/hyracks-nc-service/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/hyracks-nc-service/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>hyracks-control</artifactId>
     <groupId>org.apache.hyracks</groupId>
-    <version>0.2.19-SNAPSHOT</version>
+    <version>0.2.18</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/hyracks-fullstack/hyracks/hyracks-control/pom.xml b/hyracks-fullstack/hyracks/hyracks-control/pom.xml
index ecc5f86..0fb4831 100644
--- a/hyracks-fullstack/hyracks/hyracks-control/pom.xml
+++ b/hyracks-fullstack/hyracks/hyracks-control/pom.xml
@@ -26,7 +26,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.19-SNAPSHOT</version>
+    <version>0.2.18</version>
   </parent>
 
   <licenses>