freemount:  Define diagnostic frame types
freemount-server:  Log fatal/error/debug messages
fls:  Log fatal/error/debug messages
fcat:  Log fatal/error/debug messages
fdir:  Log fatal/error/debug messages
fget:  Log fatal/error/debug messages
fping:  Log fatal/error/debug messages
fstat:  Log fatal/error/debug messages
Merge branch 'diagnostics'