removed old start and stops. These are genreated by installer.sh
don't track helper directories and any yaafe files
Changes start and stop scripts to have another name
addec catcher for invalid recoring numbers and default config file path and name to empty values
Updated config file path defaults to looking for 'cirainbow.conf' in the home directory then 'sound_settings.conf' in the local sound base direcotry
Added helper methods for checking that a file is readable and to get the home directory.