Revert changes from mvn release (#312)

Commits to be reverted
4ff0255 [maven-release-plugin] prepare for next development iteration
0c970a3 [maven-release-plugin] prepare release 7.0.0

Author: devchas

google-ads-annotation-processing/pom.xml

@@ -18,15 +18,15 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>7.0.1-SNAPSHOT</version>
+    <version>6.0.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-annotation-processing</artifactId>
   <packaging>jar</packaging>
-  <version>7.0.1-SNAPSHOT</version>
+  <version>6.0.1-SNAPSHOT</version>
   <name>Google Ads API client library for Java annotation processor</name>
   <description>
     Handles code generation for with annotation processing for the client libraries for Java.

google-ads-examples/pom.xml

@@ -18,15 +18,15 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>7.0.1-SNAPSHOT</version>
+    <version>6.0.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-examples</artifactId>
   <packaging>jar</packaging>
-  <version>7.0.1-SNAPSHOT</version>
+  <version>6.0.1-SNAPSHOT</version>
   <name>Google Ads API client library for Java examples</name>
   <description>
     Examples demonstrating the Google Ads API client library for Java.
@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>google-ads</artifactId>
-      <version>7.0.1-SNAPSHOT</version>
+      <version>6.0.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.beust</groupId>

google-ads-migration-examples/pom.xml

@@ -18,15 +18,15 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>7.0.1-SNAPSHOT</version>
+    <version>6.0.1-SNAPSHOT</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-migration-examples</artifactId>
   <packaging>jar</packaging>
-  <version>7.0.1-SNAPSHOT</version>
+  <version>6.0.1-SNAPSHOT</version>
   <name>Google Ads API client library for Java migration examples</name>
   <description>
     Examples demonstrating a migration from the Google AdWords API to the Google Ads API using the client libraries for Java.
@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>google-ads</artifactId>
-      <version>7.0.1-SNAPSHOT</version>
+      <version>6.0.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>

google-ads/pom.xml

@@ -26,7 +26,7 @@
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads</artifactId>
   <packaging>jar</packaging>
-  <version>7.0.1-SNAPSHOT</version>
+  <version>6.0.1-SNAPSHOT</version>
   <name>Google Ads API client library for Java</name>
   <description>
     Google Ads API client library for Java.
@@ -74,7 +74,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>google-ads-annotation-processing</artifactId>
-      <version>7.0.1-SNAPSHOT</version>
+      <version>6.0.1-SNAPSHOT</version>
     </dependency>
 
     <!-- Test dependencies -->

pom.xml

@@ -19,7 +19,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-parent</artifactId>
-  <version>7.0.1-SNAPSHOT</version>
+  <version>6.0.1-SNAPSHOT</version>
 
   <packaging>pom</packaging>
   <name>Google Ads API client library for Java project</name>