Update group api doc with full_name and full_path attributes

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

doc/api/groups.md

@@ -25,7 +25,14 @@ GET /groups
     "id": 1,
     "name": "Foobar Group",
     "path": "foo-bar",
-    "description": "An interesting group"
+    "description": "An interesting group",
+    "visibility_level": 20,
+    "lfs_enabled": true,
+    "avatar_url": "http://localhost:3000/uploads/group/avatar/1/foo.jpg",
+    "web_url": "http://localhost:3000/groups/foo-bar",
+    "request_access_enabled": false,
+    "full_name": "Foobar Group",
+    "full_path": "foo-bar"
   }
 ]
 ```
@@ -149,6 +156,8 @@ Example response:
   "avatar_url": null,
   "web_url": "https://gitlab.example.com/groups/twitter",
   "request_access_enabled": false,
+  "full_name": "Foobar Group",
+  "full_path": "foo-bar",
   "projects": [
     {
       "id": 7,
@@ -372,6 +381,8 @@ Example response:
   "avatar_url": null,
   "web_url": "http://gitlab.example.com/groups/h5bp",
   "request_access_enabled": false,
+  "full_name": "Foobar Group",
+  "full_path": "foo-bar",
   "projects": [
     {
       "id": 9,

spec/requests/api/groups_spec.rb

@@ -176,6 +176,9 @@ describe API::Groups, api: true  do
         expect(json_response['visibility_level']).to eq(group1.visibility_level)
         expect(json_response['avatar_url']).to eq(group1.avatar_url)
         expect(json_response['web_url']).to eq(group1.web_url)
+        expect(json_response['request_access_enabled']).to eq(group1.request_access_enabled)
+        expect(json_response['full_name']).to eq(group1.full_name)
+        expect(json_response['full_path']).to eq(group1.full_path)
         expect(json_response['projects']).to be_an Array
         expect(json_response['projects'].length).to eq(2)
         expect(json_response['shared_projects']).to be_an Array