Fixes bugs from final development testing on Guillimin.
Updated README.md
Minor modifications
Made several changes to job tracking and submission to improve checkpointing
and the submission of large numbers of jobs to the que.
Added support for in-memory accelsearch
Added support for in-memory accelsearch
Initial tests of guillimin phase2 pipeline
Disabled single pulse searching to avoid memory issues on guillimin.
Removed unnecessary files for use on phase 2 nodes
Changed prepfold command to use rfimask