Added javadoc for Profile.

src/main/java/com/google/jplurk_oauth/module/Profile.java

@@ -14,17 +14,37 @@ protected String getModulePath() {
         return "/APP/Profile";
     }
 
+    /**
+     * Returns data that's private for the current user.
+     * <p>This can be used to construct a profile and render a timeline of the latest plurks.</p>
+     * @return Returns a JSON object with a lot of information that can be used to construct a user's own profile and timeline.
+     * @throws RequestException
+     */
     public JSONObject getOwnProfile() throws RequestException {
         return requestBy("getOwnProfile").withoutArgs()
             .in(HttpMethod.GET).thenJsonObject();
     }
 
+    /**
+     * Fetches public information such as a user's public plurks and basic information.
+     * <p>Fetches also if the current user is following the user, are friends with or is a fan.</p>
+     * @param userId The user_id of the public profile. Can be integer (like 34) or nick name (like amix).
+     * @return Returns a JSON object with a lot of information that can be used to construct a user's public profile and timeline.
+     * @throws RequestException
+     */
     public JSONObject getPublicProfile(Long userId) throws RequestException {
         return requestBy("getPublicProfile")
             .with(new Args().add("user_id", userId))
             .in(HttpMethod.GET).thenJsonObject();
     }
 
+    /**
+     * Fetches public information such as a user's public plurks and basic information.
+     * <p>Fetches also if the current user is following the user, are friends with or is a fan.</p>
+     * @param userId The user_id of the public profile. Can be integer (like 34) or nick name (like amix).
+     * @return Returns a JSON object with a lot of information that can be used to construct a user's public profile and timeline.
+     * @throws RequestException
+     */
     public JSONObject getPublicProfile(String userId) throws RequestException {
         return requestBy("getPublicProfile")
             .with(new Args().add("user_id", userId))