TIKA-1380 Upgrade to Apache POI 3.11 beta 1

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615624 13f79535-47bb-0310-9956-ffa450edef68
Found existing comments test in TestParsers; clean up earlier tests for comments in xls and xlsx

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615630 13f79535-47bb-0310-9956-ffa450edef68
Upgrade the Commons Codec version to match that in Apache POI, upgraded in TIKA-1380

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615631 13f79535-47bb-0310-9956-ffa450edef68
Update svn:ignore on newer modules to match that on the existing ones

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615637 13f79535-47bb-0310-9956-ffa450edef68
Enable the check for TIKA-1118, now that we have upgraded POI

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615638 13f79535-47bb-0310-9956-ffa450edef68
Convert from assertTrue(contains) to assertContains, to make addressing TODOs and failures much easier, for TIKA-1380

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1615642 13f79535-47bb-0310-9956-ffa450edef68