MAHOUT-1989 - Paul Komarek's Thesis URL is 403'ing

[cbaenziger]

Purpose of PR:

MAHOUT-1989 to fix Paul Komarek's Thesis URL

Important ToDos

Please mark each with an "x"

• A JIRA ticket exists (MAHOUT-1989)[https://issues.apache.org/jira/browse/MAHOUT-1989]
• [X ] Title of PR is "MAHOUT-1989 - Paul Komarek's Thesis URL is 403'ing" where 1989 is the JIRA number.
• [NA] Created unit tests where appropriate
• [NA] Added licenses correct on newly added files
• Assigned JIRA to self (I can not seem to do this?)
• [NA] Added documentation in scala docs/java docs, and to website
• Successfully built and ran all unit tests, verified that all tests pass locally. (Sorry I didn't try building the docs; but here's the change...)

If all of these things aren't complete, but you still feel it is
appropriate to open a PR, please add [WIP] after MAHOUT-XXXX before the
descriptions- e.g. "MAHOUT-XXXX [WIP] Description of Change"

Does this change break earlier versions?
No

Is this the beginning of a larger project for which a feature branch should be made?
No

[rawkintrevo]

@cbaenziger well spotted and thanks for the contribution!

lgtm if no further comment