setterm: improve wording and formatting of the man page

The main changes are: showing the arguments of boolean options
as optional, improving the alphabetization, and restoring the
--half-bright option that went missing in 2011.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
setterm: improve formatting and wording of usage text

Mainly: showing that the word color is a placeholder by writing
<color>, showing some numbers as optional, and message levels
and colors as not optional.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
lslogins: improve wording and formatting of the man page

Some typos, spacing, line breaks, and missing optional arguments.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
lslogins: improve the columns information

Some fixes for typos, whitespace and wordings.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
findmnt: slightly improve wording and formatting in man page

Signed-off-by: Karel Zak <kzak@redhat.com>
findmnt: minimally improve wording of usage text

Also sort the options better and tweak whitespace.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
umount: slightly improve the man page

Remove some stray words from option arguments.

Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
swapon: align --summary fields

This commit makes  partitions and files to have remaining three columns
aligned.  Below print out demonstrates earlier misalignment.

$ swapon -s
Filename                                Type            Size    Used    Priority
/dev/sda2                               partition       4194300 0       3
/home/src/util-linux/newswap            file    496     0       -1

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
swapon: mark --sumarry as deprecated

Signed-off-by: Karel Zak <kzak@redhat.com>
libsmartcols: add note about deallocations

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: don't use --geom-* prefix for CHS options

We already use --cylinders, --heads and --sectors for sfdisk, let's
make new fdisk option compatible.

Signed-off-by: Karel Zak <kzak@redhat.com>
cal: add const function attributes

Reference: http://lwn.net/Articles/285332/
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
cal: prefer defined constant rather than magic values

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
swapon: share get_swap_prober() with swaplabel to print uuid and label

While lsblk(8) does great job printing uuid's for devices the uuids and
lables for swapfiles are not listed.  Adding the uuid and label printing
support to swapon seems like a right thing to do.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>