[svn-r10459]

Purpose:
Added C++ wrapper for Packet Table API.

Description:
Added macro for high-level C++ library (LIBH5CPP_HL), which changes every
Makefile.in.
Added directories for high-level C++ library (though currently only Packet
Table API is supported).
Added both C++ source and tests.

Platforms tested:
sleipnir, mir, modi4

Misc. update:

doc/html/Tutor/Graphics/Makefile.in

@@ -252,6 +252,7 @@ LIBH5CPP = $(top_builddir)/c++/src/libhdf5_cpp.la
 LIBH5TOOLS = $(top_builddir)/tools/lib/libh5tools.la
 LIBH5_HL = $(top_builddir)/hl/src/libhdf5_hl.la
 LIBH5F_HL = $(top_builddir)/hl/fortran/src/libhdf5hl_fortran.la
+LIBH5CPP_HL = $(top_builddir)/hl/c++/src/libhdf5_hl_cpp.la
 docdir = $(exec_prefix)/doc
 
 # Scripts used to build examples