Initial rpm packaging for pe-rubycas-server

This commit takes the console spec file that was dropped into
ext/packaging and turns it into one for pe-rubycas-server. Basically
everything is changed and the diff is worthless, so this commit should
just be evaluated for the sanity of the resulting spec file.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>
Merge pull request #6 from MosesMendoza/master

Initial packaging for RPM pe-rubycas-server