Improvements for ssh known hosts handling

Add possibility to remove user's git config keys

The former is deprecated since Carbon.

fix iteritems

added feature to create groups and set their gid

add import defaults.yaml

Dont require vim-formula by default

Fix default behavior of copying /etc/skel when creating home directory

Since https://github.com/saltstack-formulas/users-formula/pull/182 the
home directory was created by salt which prevent "adduser" behavior to
copy /etc/skel in newly created directory.

Ensure the parent directory of the home dir is existing instead.

[users] add a prereq for createhome to handle the case of an absent s…

Fixes #181

Unique switch

[users/users_files] add exclude_pat to user files (closes #178)

Support "salt://path_to_keyname" ssh_key definition in users:"user name":ssh_keys:"privkey|pubkey" pillar data

[init] add makedirs to home directory creation

[init] add makedirs to home directory creation

See merge request saltstack/formulas/users-formula!1

sudo already installed on Darwin

Do not try to run git config when git is not available

The state will not fail gracefully, instead you will get
an error like this one:

          ID: users_rhertzog_user_gitconfig_0
    Function: git.config_set
        Name: alias.br
      Result: False
     Comment: State 'git.config_set' was not found in SLS 'users'
              Reason: 'git' __virtual__ returned False
     Changes:

And since pillar data can't be (easily) tuned according to minion's
status, we really need this check here.

My tests with Salt 2017.7.3 have shown that cmd.has_exec() is reliable
for this, contrary the what the comment was implying.

Use correct pillar to set users homephone

add support for multiple private and public keys

corrected saltversioninfo check expression

Broken conditional and lack of line spacing

fixed insertion of multiple authorized keys via ssh_auth_pillar

* Add support for 'template' in 'user_files'

* Fix-up wrong nesting level for template value

* Small quality improvement for push upstream.

* Consistency improvement for variable name

Add ability to specify mode for files and symlinks in user_files

This reverts commit 48416398e3.

Added Solaris