On one hand, getopt (in particular the -o suboption syntax) sucks on the
server side, and on the client side we would like to avoid the glib
dependency. We can roll out own option parser and solve both problems
and save a few lines of code total.
Eventually we will want more functionality in the shared library and we
will rename it at that point. Perhaps we'll name it libnih, but for now
let's stick with libconfig-parser.
Create a new directory for convenience librariers that can be shared
between compositor components and clients.
Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>