Merge branch 'master' of https://github.com/saltstack-formulas/users-formula

pillar.example

@@ -11,9 +11,11 @@ users:
     # WARNING: If 'empty_password' is set to True, the 'password' statement
     # will be ignored by enabling password-less login for the user.
     empty_password: False
+    system: False
     home: /custom/buser
     homedir_owner: buser
     homedir_group: primarygroup
+    user_dir_mode: 750
     createhome: True
     roomnumber: "A-1"
     workphone: "(555) 555-5555"
@@ -36,11 +38,15 @@ users:
     sudo_defaults:
       - '!requiretty'
     shell: /bin/bash
+    remove_groups: False
     prime_group:
       name: primarygroup
       gid: 500
     groups:
       - users
+    optional_groups:
+      - some_groups_that_might
+      - not_exist_on_all_minions
     ssh_key_type: rsa
     # You can inline the private keys ...
     ssh_keys: