Add READLINE option and conditionally add readline to USES, this
fixes command line editing on head, which does not install libreadline
anymore in base.

While heere also add ncurses USES.

PR:		194717
Submitted by:	me
Approved by:	Pavel Volkov <pavelivolkov at gmail.com> (maintainer)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372001 35697150-7ecd-e111-bb59-0022644237b5
Update to upstream version 0.46.2

PR:		194162
Submitted by:	tkato432@yahoo.com


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372002 35697150-7ecd-e111-bb59-0022644237b5
Fix build on armv6
- Merge patch to configure script from upstream r37258

PR:		194687
Submitted by:	mikael.urankar@gmail.com
Reviewed by:	riggs
MFH:		2014Q4


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372003 35697150-7ecd-e111-bb59-0022644237b5