Merge branch 'info_about_namespaces' into 'master'

Info about namespaces

Added info about namespaces in groups.

Because of tweet https://twitter.com/kaystrobach/status/603912904757420032

See merge request !1835

doc/api/groups.md

-# Groups
-
-## List project groups
-
-Get a list of groups. (As user: my groups, as admin: all groups)
-
-```
-GET /groups
-```
-
-```json
-[
-  {
-    "id": 1,
-    "name": "Foobar Group",
-    "path": "foo-bar",
-    "description": "An interesting group"
-  }
-]
-```
-
-You can search for groups by name or path, see below.
-
-## Details of a group
-
-Get all details of a group.
-
-```
-GET /groups/:id
-```
-
-Parameters:
-
-- `id` (required) - The ID or path of a group
-
-## New group
-
-Creates a new project group. Available only for users who can create groups.
-
-```
-POST /groups
-```
-
-Parameters:
-
-- `name` (required) - The name of the group
-- `path` (required) - The path of the group
-- `description` (optional) - The group's description
-
-## Transfer project to group
-
-Transfer a project to the Group namespace. Available only for admin
-
-```
-POST  /groups/:id/projects/:project_id
-```
-
-Parameters:
-
-- `id` (required) - The ID or path of a group
-- `project_id` (required) - The ID of a project
-
-## Remove group
-
-Removes group with all projects inside.
-
-```
-DELETE /groups/:id
-```
-
-Parameters:
-
-- `id` (required) - The ID or path of a user group
-
-## Search for group
-
-Get all groups that match your string in their name or path.
-
-```
-GET /groups?search=foobar
-```
-
-```json
-[
-  {
-    "id": 1,
-    "name": "Foobar Group",
-    "path": "foo-bar",
-    "description": "An interesting group"
-  }
-]
-```
-
-## Group members
-
-**Group access levels**
-
-The group access levels are defined in the `Gitlab::Access` module. Currently, these levels are recognized:
-
-```
-GUEST     = 10
-REPORTER  = 20
-DEVELOPER = 30
-MASTER    = 40
-OWNER     = 50
-```
-
-### List group members
-
-Get a list of group members viewable by the authenticated user.
-
-```
-GET /groups/:id/members
-```
-
-```json
-[
-  {
-    "id": 1,
-    "username": "raymond_smith",
-    "email": "ray@smith.org",
-    "name": "Raymond Smith",
-    "state": "active",
-    "created_at": "2012-10-22T14:13:35Z",
-    "access_level": 30
-  },
-  {
-    "id": 2,
-    "username": "john_doe",
-    "email": "joh@doe.org",
-    "name": "John Doe",
-    "state": "active",
-    "created_at": "2012-10-22T14:13:35Z",
-    "access_level": 30
-  }
-]
-```
-
-### Add group member
-
-Adds a user to the list of group members.
-
-```
-POST /groups/:id/members
-```
-
-Parameters:
-
-- `id` (required) - The ID or path of a group
-- `user_id` (required) - The ID of a user to add
-- `access_level` (required) - Project access level
-
-### Edit group team member
-
-Updates a group team member to a specified access level.
-
-```
-PUT /groups/:id/members/:user_id
-```
-
-Parameters:
-
-- `id` (required) - The ID of a group
-- `user_id` (required) - The ID of a group member
-- `access_level` (required) - Project access level
-
-### Remove user team member
-
-Removes user from user team.
-
-```
-DELETE /groups/:id/members/:user_id
-```
-
-Parameters:
-
-- `id` (required) - The ID or path of a user group
-- `user_id` (required) - The ID of a group member
+# Groups
+
+## List project groups
+
+Get a list of groups. (As user: my groups, as admin: all groups)
+
+```
+GET /groups
+```
+
+```json
+[
+  {
+    "id": 1,
+    "name": "Foobar Group",
+    "path": "foo-bar",
+    "description": "An interesting group"
+  }
+]
+```
+
+You can search for groups by name or path, see below.
+
+## Details of a group
+
+Get all details of a group.
+
+```
+GET /groups/:id
+```
+
+Parameters:
+
+- `id` (required) - The ID or path of a group
+
+## New group
+
+Creates a new project group. Available only for users who can create groups.
+
+```
+POST /groups
+```
+
+Parameters:
+
+- `name` (required) - The name of the group
+- `path` (required) - The path of the group
+- `description` (optional) - The group's description
+
+## Transfer project to group
+
+Transfer a project to the Group namespace. Available only for admin
+
+```
+POST  /groups/:id/projects/:project_id
+```
+
+Parameters:
+
+- `id` (required) - The ID or path of a group
+- `project_id` (required) - The ID of a project
+
+## Remove group
+
+Removes group with all projects inside.
+
+```
+DELETE /groups/:id
+```
+
+Parameters:
+
+- `id` (required) - The ID or path of a user group
+
+## Search for group
+
+Get all groups that match your string in their name or path.
+
+```
+GET /groups?search=foobar
+```
+
+```json
+[
+  {
+    "id": 1,
+    "name": "Foobar Group",
+    "path": "foo-bar",
+    "description": "An interesting group"
+  }
+]
+```
+
+## Group members
+
+**Group access levels**
+
+The group access levels are defined in the `Gitlab::Access` module. Currently, these levels are recognized:
+
+```
+GUEST     = 10
+REPORTER  = 20
+DEVELOPER = 30
+MASTER    = 40
+OWNER     = 50
+```
+
+### List group members
+
+Get a list of group members viewable by the authenticated user.
+
+```
+GET /groups/:id/members
+```
+
+```json
+[
+  {
+    "id": 1,
+    "username": "raymond_smith",
+    "email": "ray@smith.org",
+    "name": "Raymond Smith",
+    "state": "active",
+    "created_at": "2012-10-22T14:13:35Z",
+    "access_level": 30
+  },
+  {
+    "id": 2,
+    "username": "john_doe",
+    "email": "joh@doe.org",
+    "name": "John Doe",
+    "state": "active",
+    "created_at": "2012-10-22T14:13:35Z",
+    "access_level": 30
+  }
+]
+```
+
+### Add group member
+
+Adds a user to the list of group members.
+
+```
+POST /groups/:id/members
+```
+
+Parameters:
+
+- `id` (required) - The ID or path of a group
+- `user_id` (required) - The ID of a user to add
+- `access_level` (required) - Project access level
+
+### Edit group team member
+
+Updates a group team member to a specified access level.
+
+```
+PUT /groups/:id/members/:user_id
+```
+
+Parameters:
+
+- `id` (required) - The ID of a group
+- `user_id` (required) - The ID of a group member
+- `access_level` (required) - Project access level
+
+### Remove user team member
+
+Removes user from user team.
+
+```
+DELETE /groups/:id/members/:user_id
+```
+
+Parameters:
+
+- `id` (required) - The ID or path of a user group
+- `user_id` (required) - The ID of a group member
+
+## Namespaces in groups
+
+By default, groups only get 20 namespaces at a time because the API results are paginated.
+
+To get more (up to 100), pass the following as an argument to the API call:
+```
+/groups?per_page=100
+```
+
+And to switch pages add: 
+```
+/groups?per_page=100&page=2
+```
\ No newline at end of file