upgrade to Tika 0.7.
upgrade to Tika 0.7.

rnewson/couchdb-lucene,rnewson/couchdb-lucene,ehealthafrica-ci/couchdb-lucene,ehealthafrica-ci/couchdb-lucene,eHealthAfrica/couchdb-lucene,ehealthafrica-ci/couchdb-lucene,eHealthAfrica/couchdb-lucene,eHealthAfrica/couchdb-lucene,rnewson/couchdb-lucene