use rm -f to prevent test failures for non-existent files
Fixed double-free affecting shrimp workflow.

The problem arose when a worker would be flagged for both not having sent its ready message in time and not having responded to a keepalive in time.  Each condition causes the worker to be removed, and the second removal resulted in a double free.

We now no longer send keepalives to non-ready workers, since they don't have any tasks or data assigned to them being held "hostage", and hung workers are handled by the new code.
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
avoid naming conflicts on case insensitive file systems.

Fixes #105
Fixed: check for error case was backwards.
Alphabetize includes and remove repeated includes.
formatting
Add personality system call support.

Fixes #61.
starch example test data for OS X

Closes #114
64->32
remove pixmaps from starch test.

pixmaps are not installed on every OS X system.
1. Added long options to condor_submit_workers to match those in the work_queue_worker.
2. Updated the man page and the help message to reflect the changes.

Special notes:
1. I removed the -c option in condor_submit_workers, which was added by Dinesh for the --cores options.
2. long options using equal signs won't work in condor_submit_workers, e.g.: --timeout=30. A valid one would be: --timeout 30.
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Better cleanup of output/proccesses.

Reorganized some things.
Removed redundant part of name.
First pass at implementing distributed sorting using WQ. The program
distributed_sort.c currently does this:
a. Partition the input file into smaller pieces and creates WQ task for the
sorting of each piece.
b. It requires a program executable (implementing a sorting algorithm) to be
provided as an command line input during runtime.
c. merge_sort.c and inseration_sort.c are provided as examples that can be
provided as input to distributed_sort.c as described above.

The code is not tested, poorly optimized, and has a few nasty bugs.