SPARK-5357: Update commons-codec version to 1.10 (current)

Resolves https://issues.apache.org/jira/browse/SPARK-5357

In commons-codec 1.5, Base64 instances are not thread safe.  That was only true from 1.4-1.6.

Author: Matt Whelan <mwhelan@perka.com>

Closes #4153 from MattWhelan/depsUpdate and squashes the following commits:

b4a91f4 [Matt Whelan] SPARK-5357: Update commons-codec version to 1.10 (current)

pom.xml

@@ -404,7 +404,7 @@
       <dependency>
         <groupId>commons-codec</groupId>
         <artifactId>commons-codec</artifactId>
-        <version>1.5</version>
+        <version>1.10</version>
       </dependency>
       <dependency>
         <groupId>org.apache.commons</groupId>