TIKA-973 reopened. Would prefer test docs unequivocally consistent with Apache License 2.0.  Deleted initial test docs from trunk and commented out test case.  Also added extractAcroFormContent to parameter file (should have been done in initial check in).

git-svn-id: https://svn.apache.org/repos/asf/tika/trunk@1550725 13f79535-47bb-0310-9956-ffa450edef68