Force kqueue and libwrap support, and install license files

I don't know any reason that the kqueue or libwrap options should be
disabled, so remove them from OPTIONS and enable their functionality
for everyone. Also, remove the :3 from USES=sqlite, because that
happens anyway.

Add the license files with LICENSE_FILE_*, rather than putting them
in DOCSDIR.

Sort plist.

PORTREVISION bump for above changes.