Update to the 20141126 snapshot of GCC 4.9.3.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373638 35697150-7ecd-e111-bb59-0022644237b5
- Update to upstream version 3.5.1
- Use lang/spidermonkey24 instead of lang/spidermonkey17
- Use curl for mail handling

PR:		195058
Submitted by:	david.vionnet@vmailbox.org
Reviewed by:	riggs


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373639 35697150-7ecd-e111-bb59-0022644237b5