GitLab

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

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

* header is now raw uncompressed, rather than gzip format
* mapping info stored in header is now in uncompressed terms
* storing mapping info for job data now