Fix wrongly named field in TeamMemberSystemHookEvent (#1092)

Author: vimsucks

src/main/java/org/gitlab4j/api/systemhooks/TeamMemberSystemHookEvent.java

@@ -14,7 +14,9 @@ public class TeamMemberSystemHookEvent extends AbstractSystemHookEvent {
     private Date createdAt;
     private Date updatedAt;
     private String eventName;
+    @Deprecated
     private String projectAccess;
+    private String accessLevel;
     private String projectName;
     private String projectPath;
     private Long projectId;
@@ -50,14 +52,30 @@ public void setEventName(String eventName) {
         this.eventName = eventName;
     }
 
+    /**
+     * No longer used. Probably replaced by {@link #getAccessLevel()}
+     */
+    @Deprecated
     public String getProjectAccess() {
         return projectAccess;
     }
 
+    /**
+     * No longer used. Probably replaced by {@link #setAccessLevel(String)}
+     */
+    @Deprecated
     public void setProjectAccess(String projectAccess) {
         this.projectAccess = projectAccess;
     }
 
+    public String getAccessLevel() {
+        return accessLevel;
+    }
+
+    public void setAccessLevel(String accessLevel) {
+        this.accessLevel = accessLevel;
+    }
+
     public String getProjectName() {
         return projectName;
     }

src/test/resources/org/gitlab4j/api/team-member-system-hook-event.json

@@ -2,7 +2,7 @@
                   "created_at": "2012-07-21T07:30:56Z",
                   "updated_at": "2012-07-21T07:38:22Z",
                   "event_name": "user_add_to_team",
-              "project_access": "Master",
+              "access_level": "Master",
                   "project_id": 74,
                 "project_name": "StoreCloud",
                 "project_path": "storecloud",