Update unit tests for PBS and SGE.
Change management of processed files.
Update to parsers: make MPI an option.  Correct PBS MPI bug.  Add host factor scaling option in LSF.  Use consistent field names.
Parser script rewritten, with new options available.  Config file updated correspondingly.
Add method for getting sync messages.  Disable URs for summaries (temporarily).  General tidying.
General tidying.
Rewrite client script to be more logical and handle errors better.  Move local job spec updates to client script.  Update client config for new options.
Remove db backend option from config.
Use INSERT IGNORE rather than REPLACE for Event and Blahd Records.  Some tidying.