Rename the SSL and SLP config scripts, since they are not

Rename the SSL and SLP config scripts, since they are not
specific to a particular project.

Fix CUPS_FONTPATH and CUPS_LOCALEDIR definitions.

Default to supporting domain sockets, with the default domain socket
path = /var/run/cups/cups.sock, per FHS.

Properly install the state and cache directories, and ignore install
errors for the certs directory.

Change the encryption library check order to: CDSA, GNU TLS, and OpenSSL.

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@4615 7a7537e8-13f0-0310-91df-b6672ffda945