Daniel Hahler 6f7c383fe8 salt: bootstrap-salt.sh: use -s with curl
This makes it silent (no progress information), which would otherwise
result in output like the following (when the output from the bootstrap
script is displayed in verbose mode):

      % Total    % Recei
    ved % Xferd  Avera
    ge Speed   Time    Time     Time  Current
                                     Dload  Upload   Total   Spent    Left  Speed
      0     0
       0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
    100  244k  100
     244k    0     0
       458k      0 --:--:-- --:--:-- --:--:--  458k
     *  INFO: Running version: 2017.12.13
     …
2018-02-01 21:27:27 +01:00
..
2018-01-16 14:16:49 -08:00
2012-04-18 17:48:06 -07:00

Vagrant Core Plugins

These are plugins that ship with Vagrant. Vagrant core uses its own plugin system to power a lot of the core pieces that ship with Vagrant. Each plugin will have its own README which explains its specific role.