remove vbox and vagrant

no longer used or maintained
update travis-build
change the default queue and default vm provider
switch to using march_hare instead of hot_bunnies
change to using 1.9 syntax in the Gemfile
remove the Ruby/JRuby check
tweak the ssh timeouts a little
Revert "switch to using march_hare instead of hot_bunnies"

This reverts commit 09336f7553d8af49fe6172db19fd6c53888c7e8a.