update launchy to fix an NoMethodError on development and test mode
Created by: SaitoWu
sh: xprop: not found
/home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/detect/runner.rb:41:in `shell_commands': undefined method `shellsplit' for nil:NilClass (NoMethodError)
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/detect/runner.rb:104:in `block in wet_run'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/detect/runner.rb:103:in `fork'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/detect/runner.rb:103:in `wet_run'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/detect/runner.rb:61:in `run'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/application.rb:58:in `run'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy/applications/browser.rb:76:in `open'
from /home/vagrant/.rvm/gems/ruby-1.9.3-p194/gems/launchy-2.0.5/lib/launchy.rb:30:in `open'
...