Code for publishing, setting, retrieving Strings
Get information about Matlab->Java objects

Added a method for getting information about MATLAB objects which are
passed into Java methods.
Changes in Java files for supporting maps.

Changes in LAPIS's Java files for supporting the publishing, retrieval,
and setting of maps.
Changes in MatlabLapis.java to support maps

Changes in MatlabLapis.java to support maps. Changes in LapisAPI and
possibly LAPISData will follow.