* improved prebuild execution: tested ok with zeromq
* TODO: sudo seems not to work: what is going on?
* added log_info to various script executions
* TODO: finish checking log_info's
* Altered devpkg.c option loop to return rv and check it is APR_EOF when done.
* Corrected devpkg.c to contain apr_pool_terminate to close apr_pool_create.
* Corrected devpkg.c to return -1 in stead of 1 in case of an error.
* TODO: find out why valgrind is still returning memory allocation/free errors
* Added Shell.PREBUILD.SH with hole for name: !NAME in exe and args[0].
* Created Shell.filename to concatenate current directory and a specified filename.