Add module documentation for git, group, service, and user

library/user

@@ -18,6 +18,93 @@
 # You should have received a copy of the GNU General Public License
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
+DOCUMENTATION = '''
+---
+module: user
+author: Stephen Fromm
+version_added: 0.0.2
+short_description: Manage user accounts
+requirements: [ useradd, userdel, usermod ]
+description:
+    - Manage user accounts and user attributes.
+options:
+    name:
+        required: true
+        description:
+            - Name of the user to create, remove or modify.
+    comment:
+        required: false
+        description:
+            - Optionally sets the description (aka I(GECOS)) of user account.
+    uid:
+        required: false
+        description:
+            - Optionally sets the I(UID) of the user.
+    group:
+        required: false
+        description:
+            - Optionally sets the user's primary group (takes a group name).
+    groups:
+        required: false
+        description:
+            - Puts the user in this comma-delimited list of groups.
+    append:
+        required: false
+        description:
+            - If I(yes), will only add groups, not set them to just the list
+              in I(groups).
+    shell:
+        required: false
+        description:
+            - Optionally set the user's shell.
+    home:
+        required: false
+        description:
+            - Optionally set the user's home directory.
+    password:
+        required: false
+        description:
+            - Optionally set the user's password to this crypted value.  See
+              the user example in the github examples directory for what this looks
+              like in a playbook.
+    state:
+        required: false
+        default: "present"
+        choices: [ present, absent ]
+        description:
+            - Whether the account should exist.  When I(absent), removes
+              the user account.
+    createhome:
+        required: false
+        default: "yes"
+        choices: [ yes, no ]
+        description:
+            - Unless set to I(no), a home directory will be made for the user
+              when the account is created.
+    system:
+        required: false
+        default: "no"
+        choices: [ yes, no ]
+        description:
+            - When creating an account, setting this to I(yes) makes the user a
+              system account.  This setting cannot be changed on existing users.
+    force:
+        required: false
+        default: "no"
+        choices: [ yes, no ]
+        description:
+            - When used with I(state=absent), behavior is as with
+              I(userdel --force).
+    remove:
+        required: false
+        default: "no"
+        choices: [ yes, no ]
+        description:
+            - When used with I(state=absent), behavior is as with
+              I(userdel --remove).
+
+'''
+
 import os
 import pwd
 import grp