Fixes https://github.com/spring-projects/spring-integration-extensions/issues/212 * Updated to be able to use min/max SMB version property settings * cleanup of formatting of file * Updated based on review comments * Updated readme for new functionality * Some polishing of readme and follow current naming conventions * Updated, missed naming convention on Javadoc * Updated per review comments * Enhancement - exposing the jcifs.CIFSContext interface * fixed check style build errors * Added JUnit test