libblkid/libblkid.3: Improve the typsetting of the manual

   Correct space between sentences to two space characters
 (or begin each sentence on a new line).

Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
lib/terminal-colors.d.5: Improve the typesetting of the manual

  Remove '\&' in front of a full stop (.), when it does not start or
end a string

  Adjust space between sentences to two space characters (or begin each
sentence on a new line).

Signed-off-by: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>