libtorc-core: Add some setting name defines
libtorc-core: Better UI strings
libtorc-core: Unnecessary variable resets...
libtorc-core: Convert TorcHTTPServer to use TorcSetting
libtorc-core: Minor logging improvement in TorcSetting
libtorc-core: Move Bonjour service announcement into TorcHTTPServer

- both http and torc announcements are linked to http server being
available
libtorc-audio: Re-advertise the RAOP service if the port has changed