- prevents inadverdent disabling of Darshan on some MPICH builds
- fixes #94

fixes #174

user can now give a config option or use a runtime environment
variable to control darshan's per module memory requirements.

use --with-max-records at configure time to change from default
of 2048 records

Conflicts:
	ChangeLog
	darshan-runtime/configure
	darshan-runtime/configure.in
	darshan-runtime/darshan.h
	darshan-runtime/lib/darshan-posix.c
	darshan-util/configure
	darshan-util/configure.in
	darshan-util/doc/darshan-util.txt

this indicates whether the log file is complete or only partially
written