Graph script first commit
Add graph script to install list
Add copying license
Fix missing key check
Scale time fields automatically
Refactor to make it easy to add new plots (e.g., user defined from command line)
Add note to manual about work_queue_graph_log
Clean up plot_line use
Use -o prefix with getopt
Set gnuplot location from command line
Fallback to 'cat' if gnuplot is not available
Use -T to set output format.

If -Ttxt, then the scripts are written, with extension .gnuplot.
Be more informative in wq manual
grammer fixes in wq manual
Change txt to text
Do not fallback on cat
Fix show_usage message
Add manual page
man pages fixes
Merge pull request #411 from btovar/graph_wq

plot a summary of the statistics in the Work Queue log