parrot long options
Add getopt header to allpairs.
printf to fprintf in pfs_main help.
Corrects makeflow's show_help message for -p.
Note that size can be NULL.
Fixes a build error on darwin.

Simplifies the code some as well.
Added documentation of Makeflow's "cluster" driver
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Add long options to chirp_server.

Also change usage of printf to fprintf for consistency and cleanliness.
Removes some old arguments that have been deprecated for a long time.
Alphabetizes options.
Adjusted language for "Cluster" documentation.  Suggested Work Queue as a preferred alternative.
Merge branch 'master' of github.com:cooperative-computing-lab/cctools
Minor corrections to long-options.

Incorporates comments from Patrick (e.g., output-file to debug-file) and
some other minor corrections.
Completes adding long-options to chirp.
Avoid undefined symbol error when parrot is not enabled.
Fixes build error on Cygwin.
Quick fix to allow compile on Cywgin to complete.
Moved system-dependent uptime code into its own module,
with a warning emitted if we haven't implemented it for
that platform.  Fixes a build problem on Solaris.
Standardizes comment header line in time series.

Per Casey request to simplify the code in the visualizer, the comment
column headings in the monitor time series match verbatim the names
in the summary (except for wall_clock, which does not have a counterpart
in the summary).
rotate-debug-max -> debug-rotate-max
Solaris: include <signal.h> is required.
Solaris: Does not have fts_open/read/close.