profiling: introduce limit configuration option The number of output lines was hardcoded to 30. There was a 'nested' configuration options that controlled something else related to counting the number of output lines. This introduces the profiling.limit configuration option for controlling the number of profiling output to show.

largefiles: make verify --lfa and --lfc work without --large The slightly obscure --lfa and --lfc only worked as modifiers to --large and could be combined. The documentation was however not clear what they did. Instead they now imply --large and the description is updated.