Removed all puncuation from the summarys (consistency is good)
Cleaned up a few summaries so they would find in a 78 column term. This was driven by the debian_description command, but i've been meaning to do this for a while anyways...
[SNPP]
type=default
depends=purple
provides=snpp
summary=SNPP Plugin
description=Allows libpurple to send messages over the Simple Network Paging Protocol (SNPP).