Merge branch 'master' into develop

* master:
  Fix a typo
  Add some comments to allow setting a different tmp dir
  Remove noblog from rsync as it is causing problem with bash shell
  Re-arrange the setting of ssh port
  Add a must use plugings directory and a register theme directory plugin
  Update to wordpress 4.0
  add ssh port to rsync command to support custom ssh port
  Add custom ssh port
  Add noglob statement to rsync for when using zsh shell
Add index files to prevent directories listing
Add a composer file to provision core plugins
Merge branch 'feature/dir-index' into develop

* feature/dir-index:
  Add a composer file to provision core plugins
  Add index files to prevent directories listing
Merge branch 'feature/dir-index'

* feature/dir-index:
  Add a composer file to provision core plugins
  Add index files to prevent directories listing
Merge branch 'develop'

* develop: