pick server.cert and server.key from FOGLAMP_DATA/etc/certs/, FOGLAMP_ROOT/etc/certs or /usr/local/foglamp/etc/certs; other notes and refactoring  (not ready for review or merge)
pick server.cert and server.key from FOGLAMP_DATA/etc/certs/, FOGLAMP_ROOT/etc/certs or /usr/local/foglamp/etc/certs; other notes and refactoring  (not ready for review or merge)

foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP