In make.sh-usage document:
- updated with descriptions for various commands
- removed descriptions for old commands
In make.sh script:
- updated make.sh usage line "Usage: $0 [OPTIONS] {build|check-manualpages|..."
- removed make.sh clear screen commands in build area and toolchain area
Signed-off-by: Jon Murphy <jon.murphy@ipfire.org> Reviewed-by: Michael Tremer <michael.tremer@ipfire.org>