Issue 25 in xmobar: memory <usedratio> doesn't include percent symbol

[xmobar at googlecode.com]

Comment #5 on issue 25 by jaortega: memory <usedratio> doesn't include  
percent symbol
http://code.google.com/p/xmobar/issues/detail?id=25

I've pushed a patch in the git repo whereby including % is controlled
by a new per-plugin flag, -P, which can be set to either True (the default)
or False.

I could be persuaded to set it to False by default, but using True seemed
the less surprising option for old users.