lib/colors: add function to return color from scheme

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: remove dependence on libsmartcols

It's application business to convert libfdisk_table to string.

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: rename fdisk_column to fdisk_field

.. to make the API and fdisk(s) code more readable.

Signed-off-by: Karel Zak <kzak@redhat.com>
libs/debug: accept human readable names for _DEBUG=

For example
	$ LIBMOUNT_DEBUG=tab,cache findmnt

to debug only TAB and CACHE subsystem.

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>
Signed-off-by: Karel Zak <kzak@redhat.com>