Revert "[maven-release-plugin] prepare release apache-hyracks-0.2.18"

This reverts commit e6af0eee8f27019c7cf2114e66572543bbe84d18.
diff --git a/hyracks-fullstack/algebricks/algebricks-common/pom.xml b/hyracks-fullstack/algebricks/algebricks-common/pom.xml
index 8e9298a..39171b7 100644
--- a/hyracks-fullstack/algebricks/algebricks-common/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-common/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
index 212aa9d..951fe0f 100644
--- a/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-compiler/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-core/pom.xml b/hyracks-fullstack/algebricks/algebricks-core/pom.xml
index f8cff81..d3c9172 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-core/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-data/pom.xml b/hyracks-fullstack/algebricks/algebricks-data/pom.xml
index 662ec9f..d95810a 100644
--- a/hyracks-fullstack/algebricks/algebricks-data/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-data/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
index bbbe079..3bb2b76 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-examples/piglet-example/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks-examples</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <properties>
diff --git a/hyracks-fullstack/algebricks/algebricks-examples/pom.xml b/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
index 6ed0a94..9ba2e08 100644
--- a/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-examples/pom.xml
@@ -33,7 +33,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-rewriter/pom.xml b/hyracks-fullstack/algebricks/algebricks-rewriter/pom.xml
index 7dfb4b1..15b326e 100644
--- a/hyracks-fullstack/algebricks/algebricks-rewriter/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-rewriter/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-runtime/pom.xml b/hyracks-fullstack/algebricks/algebricks-runtime/pom.xml
index 7dd4a26..3bd1316 100644
--- a/hyracks-fullstack/algebricks/algebricks-runtime/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-runtime/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/algebricks-tests/pom.xml b/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
index 6b47873..7c42c75 100644
--- a/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
+++ b/hyracks-fullstack/algebricks/algebricks-tests/pom.xml
@@ -25,7 +25,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>algebricks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>
diff --git a/hyracks-fullstack/algebricks/pom.xml b/hyracks-fullstack/algebricks/pom.xml
index 1b6d1f3..ba31be5 100644
--- a/hyracks-fullstack/algebricks/pom.xml
+++ b/hyracks-fullstack/algebricks/pom.xml
@@ -27,7 +27,7 @@
   <parent>
     <groupId>org.apache.hyracks</groupId>
     <artifactId>apache-asterixdb-hyracks</artifactId>
-    <version>0.2.18</version>
+    <version>0.2.18-SNAPSHOT</version>
   </parent>
 
   <licenses>