Update the notice copyright year and the RC version

NOTICE.txt

@@ -1,5 +1,5 @@
 Apache Commons DbUtils
-Copyright 2002-2016 The Apache Software Foundation
+Copyright 2002-2017 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).

pom.xml

@@ -243,7 +243,7 @@
     <commons.componentid>dbutils</commons.componentid>
     <commons.module.name>org.apache.commons.dbutils</commons.module.name>
     <commons.release.version>1.7</commons.release.version>
-    <commons.rc.version>RC1</commons.rc.version>
+    <commons.rc.version>RC2</commons.rc.version>
     <commons.jira.id>DBUTILS</commons.jira.id>
     <commons.jira.pid>12310470</commons.jira.pid>
   </properties>
@@ -287,7 +287,6 @@
       <plugin>
         <groupId>org.apache.rat</groupId>
         <artifactId>apache-rat-plugin</artifactId>
-        <version>0.11</version>
         <executions>
           <execution>
             <phase>verify</phase>