OS-1904 update banner for 2013
OS-1898 would like an mdb_v8 walker to iterate over property values
OS-1899 ::jsprint should allow more than one optional member
OS-1915 mdb_modapi should support creating v3 dmods
OS-1921 GRUB menu scrolling overwrites text
Merge branch 'master' of git://github.com/joyent/illumos-joyent into smartos/ec