Revert "[maven-release-plugin] prepare release asterix-0.8.8-incubating-rc0"

This reverts commit 753b4231a370cf36ec20a1124c71eeebbcbf9e92.
diff --git a/asterix-external-data/pom.xml b/asterix-external-data/pom.xml
index 6539d9c..ab04328 100644
--- a/asterix-external-data/pom.xml
+++ b/asterix-external-data/pom.xml
@@ -21,7 +21,7 @@
 	<parent>
 		<artifactId>asterix</artifactId>
 		<groupId>org.apache.asterix</groupId>
-		<version>0.8.8-incubating</version>
+		<version>0.8.8-SNAPSHOT</version>
 	</parent>
 
   <licenses>
@@ -122,21 +122,21 @@
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-om</artifactId>
-			<version>0.8.8-incubating</version>
+			<version>0.8.8-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-runtime</artifactId>
-			<version>0.8.8-incubating</version>
+			<version>0.8.8-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-metadata</artifactId>
-			<version>0.8.8-incubating</version>
+			<version>0.8.8-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
@@ -197,7 +197,7 @@
 		<dependency>
 			<groupId>org.apache.asterix</groupId>
 			<artifactId>asterix-common</artifactId>
-			<version>0.8.8-incubating</version>
+			<version>0.8.8-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>com.microsoft.windowsazure</groupId>