MFH: r466239 r466621
www/node4: Mark as deprecated and set expiration date
The Node.js project has set v4.x end-of-life date to 2018-04-30.
www/node4: fix portlint errors and relevant warnings
- move DEPRECATED/EXPIRATION_DATE out of MAINTAINER section
- move ONLY_FOR_ARCHS
- remove USES_LDCONFIG (Node.js doesn't install a .so)
Approved by: ports-secteam (riggs)