Solr build tests and cleanup
convertFile is intended to be used mainly beneath extractText - various error checks were required; Needs refactor still
Encryption of PDFs is sketchy; Tika/PDFbox reports doc is encrypted although decryption was not needed to read file;  More testing needed.
added more tests for examples
Twitter experiment under construction
Staging bug fixes; Poli pkg rename; GISData model usage given Tweet experiment: want to modify schema prior to starting IO
 Poli pkg rename