Version 0.104.4

• Layer changes
  • Scala
  • Vagrant
• Core

Layer changes

Scala

• Fix Ensime test commands to reflect the changes in the recent versions
  of the package (thanks to lunaryorn)

Vagrant

• Replace obsolete function vagrant-tramp-enable by the function
  vagrant-tramp-add-method (thanks to joehillen)

Core

• Prevent bootstrap packages from being automatically uninstalled
  (thanks to TheBB)