Makefile, project file to build as a shared library.

Since KQOAuth is LGPL, to avoid the awkward requirements when statically linking, build it as a shared library.

Since this is a fork of KQOAuth, the library file name and version may need to be adjusted. As it is, I left it as "libkqoauth" and the version comes out as 1.0.0.

(One reference on LGPL requirements: http://stackoverflow.com/questions/2666552/is-it-illegal-to-statically-link-lgpl)