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Conflicts:
	darshan-bgq-log-format.h
	darshan-runtime/darshan.h
	darshan-runtime/lib/darshan-bgq.c
	darshan-runtime/lib/darshan-core.c
	darshan-runtime/lib/darshan-posix.c
	darshan-util/darshan-convert.c
	darshan-util/darshan-diff.c

some bugs were causing the regression tests to fail when using
LD_PRELOAD instrumentation method

fixed bugs that prevented record names from mapping to file systems in darshan-util; also fixed thread safety and deadlock issues

Merging mmap feature development branch back into master. Darshan
can now mmap its data structures to temporary log files at runtime to
protect against applications that do not call MPI_Finalize. Feature
can be enabled at configure time using '--enable-mmap-logs'.

moved the temporary record buffer used in darshan-{convert,parser} into the heap; darshan_diff remains on the stack

A common record comparision/sort routine is now defined in
darshan-common which can be used by any modules with fixed-length
records and whose records first field is the darshan_base_record.
The comparison was also updated to sort secondarily by darshan
record identifier to resolve a potential bug in the way we have
traditionally sorted the records.

Conflicts:
	darshan-runtime/Makefile.in
	darshan-runtime/configure
	darshan-runtime/configure.in
	darshan-runtime/darshan.h
	darshan-runtime/lib/darshan-core.c
	darshan-runtime/lib/darshan-hdf5.c
	darshan-runtime/lib/darshan-mpiio.c
	darshan-runtime/lib/darshan-pnetcdf.c
	darshan-runtime/lib/darshan-posix.c
	darshan-util/Makefile.in
	darshan-util/darshan-convert.c
	darshan-util/darshan-logutils.c
	darshan-util/darshan-logutils.h
	darshan-util/darshan-parser.c

rather than using 'begin_shutdown', 'get_output_data', and
'shutdown', we combine all three into one shutdown routine.