GitLab

generate three jar files for java lib; labcomm.jar with both versions, and separate jars for only 2013 and 2006

New scheduler abstraction in place.

Changed reader/writer interface to simplify stacking (example will 
be forthcoming).

fd_reader/writer more robust: no dependency on 'int *fd' to be live
while the reader/writer is in use).

changed generated length to be without user_id field + started changing the sig_parser to build signature_t objects