ports/184216: [exp-run] add stage support to Mk/bsd.cran.mk and USE_R_MOD ports

[bdrewery at FreeBSD.org]

Synopsis: [exp-run] add stage support to Mk/bsd.cran.mk and USE_R_MOD ports

Responsible-Changed-From-To: freebsd-ports-bugs->bdrewery
Responsible-Changed-By: bdrewery
Responsible-Changed-When: Sun Nov 24 10:09:56 CST 2013
Responsible-Changed-Why: 
take for exp-run

http://www.freebsd.org/cgi/query-pr.cgi?pr=184216