Align pom with Accumulo 3.0.0 versions

Author: DomGarguilo

conf/env.sh.example

@@ -32,7 +32,7 @@ conf_dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 # Versions set below will be what is included in the shaded jar
 export ACCUMULO_VERSION="`$ACCUMULO_HOME/bin/accumulo version`"
 export HADOOP_VERSION="`$HADOOP_HOME/bin/hadoop version | head -n1 | awk '{print $2}'`"
-export ZOOKEEPER_VERSION=3.7.0
+export ZOOKEEPER_VERSION=3.8.2
 # Path to shaded test jar
 ex_home=$( cd "$( dirname "$conf_dir" )" && pwd )
 export EXAMPLES_JAR_PATH="${ex_home}/target/accumulo-examples-shaded.jar"

pom.xml

@@ -20,24 +20,25 @@
   <parent>
     <groupId>org.apache</groupId>
     <artifactId>apache</artifactId>
-    <version>31</version>
+    <version>30</version>
   </parent>
   <groupId>org.apache.accumulo</groupId>
   <artifactId>accumulo-examples</artifactId>
-  <version>3.0.0-SNAPSHOT</version>
+  <version>3.0.0</version>
   <name>Apache Accumulo Examples</name>
   <description>Example code and corresponding documentation for using Apache Accumulo</description>
   <properties>
-    <accumulo.version>3.1.0-SNAPSHOT</accumulo.version>
+    <accumulo.version>3.0.0</accumulo.version>
     <eclipseFormatterStyle>contrib/Eclipse-Accumulo-Codestyle.xml</eclipseFormatterStyle>
     <hadoop.version>3.3.6</hadoop.version>
     <maven.compiler.release>11</maven.compiler.release>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
     <minimalJavaBuildVersion>11</minimalJavaBuildVersion>
+    <minimalMavenBuildVersion>3.6.0</minimalMavenBuildVersion>
     <!-- timestamp for reproducible outputs, updated on release by the release plugin -->
     <project.build.outputTimestamp>2020-12-17T22:06:50Z</project.build.outputTimestamp>
-    <zookeeper.version>3.8.3</zookeeper.version>
+    <zookeeper.version>3.8.2</zookeeper.version>
   </properties>
   <dependencyManagement>
     <dependencies>
@@ -178,6 +179,7 @@
         <!-- This was added to ensure project only uses public API -->
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>
+        <version>3.3.0</version>
         <configuration>
           <configLocation>contrib/checkstyle.xml</configLocation>
         </configuration>