updated versions
Merge branch 'master' of github.com:StefanScherer/basebox-slave

* 'master' of github.com:StefanScherer/basebox-slave:
  back to win2008r2, 2012r2 jenkins builds are not stable, java exceptions...
  back to win2008r2, 2012r2 jenkins builds are not stable, java exceptions...
  write global Vagrantfile to Default user on Win2012R2
  swarm-client 1.16
  updated plugins, re-added greenballs
  Revert "changed virtualbox jobs to linux shell scripts"
  reverted vbox-slave to win2008r2 due to performance issues on ubuntu1404
  add ovftool to system path due to win2012r2
  changed virtualbox jobs to linux shell scripts
  use ubuntu1404 for vbox-slave instead of windows
  single provision script to reduce problems on windows hosts, set system path for packer + vbox
  added windows_2012_r2-100gb_vcloud box for basebox-slave
  updated OS in README
  updated to ubuntu1404 + windows_2012_r2
  install official packer 0.6.1 with cinst
  use ALLUSERSPROFILE for Chocolatey bin dir
  ubuntu1404-docker build for vbox + vmware
  added ubuntu1404-docker
  added pic for basebox tests
  transport additional hosts file into slaves