Sort arguments in alphabetical order
Make the --labels argument take a string and not a csv file
Merge branch 'master' of github.com:mbaldessari/sarstats into refactoring

Fix some conflicts that came in the refactoring branch

Conflicts:
	sarstats
Fix leftover from broken merge
Put the --nogrid option in alphabetical order
Prettify printing of sar files being parsed
Some code cleanups and moving of font definition in MyDocTemplate
Fix indentation and some trailing whitespace
Make the SAR class use a list of files instead of a single one
Fix a bunch of pylint errors and remove the unused _ignore_timestamp() method
Remove use of has_key as it is deprecated anyway and do some more cleanups
Rename base_graphs to BASE_GRAPHS
Many more generic python cleanups
Proper indentation of the command line arguments in sarstats
Fix --ascii as it broke after the self._files changes
Fix some more indentations
Display units on yaxis label when one is set in BASE_GRAPHS