textproc/asm-xml: Update to 1.4

• Changelog: http://tibleiz.net/asm-xml/
• Change MASTER_SITES to project's homepage.
• DEFINE LICENSE & LICENSE_FILE.
• Use MK_PROFILE=no instead of NO_PROFILE= in a Makefile used to build this piece of software on FreeBSD.
• Take over MAINTAINER'ship.
• Pet portlint.

Reviewed by: krion
Approved by: krion (mentor)
Differential Revision: https://reviews.freebsd.org/D18379