Runtime hint (#8)

* feat: support LSF-specific `time` runtime hint

fix: -M -> -R, support memory_limit_multiplier (#6)

Change memory submission from -M to -R. Add support for configuration option memory_limit_multiplier to set a memory limit. memory_limit_multiplier = 1 will reproduce the prior behavior. Addresses #4.

Log location and memory reservation (#3)

* fix: LSF output; memory calculation.

* build: bump version

* fix: update lsf log path

Swap interactive jobs in favor of -K. Write LSF stderr and stdout to …

…files in the job directory.