Include git and gnuplot version on general page.

gitstats

 		VERSION = getpipeoutput(["git rev-parse --short %s" % getcommitrange('HEAD')]).split('\n')[0]
 	return VERSION
 
+def getgitversion():
+	return getpipeoutput(['git --version']).split('\n')[0]
+
+def getgnuplotversion():
+	return getpipeoutput(['gnuplot --version']).split('\n')[0]
+
 class DataCollector:
 	"""Manages data collection from a revision control repository."""
 	def __init__(self):
 		f.write('<dl>')
 		f.write('<dt>Project name</dt><dd>%s</dd>' % (data.projectname))
 		f.write('<dt>Generated</dt><dd>%s (in %d seconds)</dd>' % (datetime.datetime.now().strftime(format), time.time() - data.getStampCreated()))
-		f.write('<dt>Generator</dt><dd><a href="http://gitstats.sourceforge.net/">GitStats</a> (version %s)</dd>' % getversion())
+		f.write('<dt>Generator</dt><dd><a href="http://gitstats.sourceforge.net/">GitStats</a> (version %s), %s, %s</dd>' % (getversion(), getgitversion(), getgnuplotversion()))
 		f.write('<dt>Report Period</dt><dd>%s to %s</dd>' % (data.getFirstCommitDate().strftime(format), data.getLastCommitDate().strftime(format)))
 		f.write('<dt>Age</dt><dd>%d days, %d active days (%3.2f%%)</dd>' % (data.getCommitDeltaDays(), len(data.getActiveDays()), (100.0 * len(data.getActiveDays()) / data.getCommitDeltaDays())))
 		f.write('<dt>Total Files</dt><dd>%s</dd>' % data.getTotalFiles())