Updated commons-io, require java 8. Bumped to 3.3.0-SNAPSHOT

pom.xml

@@ -8,7 +8,7 @@
   </parent>
 
   <artifactId>plexus-io</artifactId>
-  <version>3.2.1-SNAPSHOT</version>
+  <version>3.3.0-SNAPSHOT</version>
 
   <name>Plexus IO Components</name>
 
@@ -31,7 +31,7 @@
 
   <properties>
     <cobertura.skip>true</cobertura.skip>
-    <javaVersion>7</javaVersion>
+    <javaVersion>8</javaVersion>
     <project.build.outputTimestamp>2020-01-20T18:52:37Z</project.build.outputTimestamp>
   </properties>
 
@@ -56,7 +56,7 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.6</version>
+      <version>2.10.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>