update gemfile to use current boxen gem
update vender cache
Merge pull request #259 from sankage/outdated-gemfile

update gemfile to use current boxen gem
Merge branch 'master' of git://github.com/boxen/our-boxen

# By David Briggs
# Via David Briggs (1) and Will Farrington (1)
* 'master' of git://github.com/boxen/our-boxen:
  update vender cache
  update gemfile to use current boxen gem
changes
changes ok