vchoi_fork

[svn-r2790] Purpose:
    new feature
Description:
h5tools.c:
    Created h5tools_init() and h5tools_close() for the initialization
    of the h5tools library and closing of it.  With this, the rawdatastream
    and other internal structures can be initialized properly.
h5tools.h:
    added prototypes for h5tools_init and h5tools_close.
h5dump.c:
h5ls.c:
    Added the calls for h5tools_init() and h5tools_close().
Platforms tested:
    IRIX64 -64 parallel and Linux