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)