Enable OAI DC multilingual metadata support for the Ingestion Crosswalk class

Fix for [DS-2002] https://jira.duraspace.org/browse/DS-2002
DS-2066 : Maven plugin updates and general POM cleanup
Fix minor POM warning that ${artifact} is deprecated.
Fix "covarage" typo in XSL transforms

To the best of my knowledge, no actual XML format requires the
"covarage" typo as an element or attribute, and no site should be
entering a "covarage" metadata field.

Signed-off-by: Dan Scott <dan@coffeecode.net>
Merge pull request #581 from dbs/coverage_typo

DS-2073 - Fix "covarage" typo in XSL transforms (OAI-PMH Crosswalks)
Merge pull request #535 from thanosk/DS-2002

OAI DC multilingual metadata support (ingestion)
Revert "Fix DS-1408 based on hints at http://stackoverflow.com/questions/4162557/timeout-error-trying-to-lock-table-in-h2"

This reverts commit 4f808e72367e821557ba18a3e086b04b3c504db2.
Fix broken test. Don't reuse cache name from another test.
Fix broken test. Don't assume Item of ID=1 exists
Merge pull request #575 from tdonohue/DS-2066

DS-2066 : Maven plugin updates and general POM cleanup
Put detailed test logs in *-output.txt files instead of stdout
Tell TravisCI to cache ~/.m2 directory for our builds
Merge pull request #584 from tdonohue/DS-2075

DS-2075 : Decrease number of log messages for Travis CI & our sanity
Merge pull request #582 from tdonohue/DS-1408

DS-1408 - revert unnecessary  MVCC setting for H2 database
Increase database lock timeout to avoid lock errors
Merge pull request #588 from tdonohue/DS-1408

DS-1408 : Increase database lock timeout to avoid lock errors