Updated i18n-tasks gem to 0.2.21
driver/base: don't log in trap context

porting the commit mitchellh/vagrant@3324756
action/match_mac_address deleted [GH-79]

We also don't need to pack Vagrantfile with 'base_mac' anymore
Updated i18n-tasks gem to 0.2.21

* fix-i18n-tasks:
  Updated i18n-tasks gem to 0.2.21