Duplicate text is dealt by referring to license files. The `pg'
command does not need separated license file because the source
file has same text at top of it.
http://www.spinics.net/lists/util-linux-ng/msg05069.html
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Move readme, licence, change log, relese notes and other
supplementary files to a Documentation directory. This commit
does not change contents of any other but few Makefile.am files.
Signed-off-by: Sami Kerola <kerolasa@iki.fi>