Fixed Javadoc issues (#336).

Author: gmessner

src/main/java/org/gitlab4j/api/utils/AccessTokenUtils.java

@@ -441,6 +441,7 @@ public static final String getHealthCheckAccessToken(final String baseUrl, final
      * @param baseUrl the GitLab server base URL
      * @param username the user name to to login for
      * @param password the password of the user to login for
+     * @return the GitLab seesion token as a cookie value
      * @throws GitLabApiException if any error occurs
      */
     protected static final String login(final String baseUrl, final String username,
@@ -549,8 +550,7 @@ protected static final String login(final String baseUrl, final String username,
      * Logs out the user associated with the GitLab session cookie.
      *
      * @param baseUrl the GitLab server base URL
-     * @param username the user name to to login for
-     * @param password the password of the user to login for
+     * @param cookies the GitLab session cookie to logout
      * @throws GitLabApiException if any error occurs
      */
     protected static final void logout(final String baseUrl, final String cookies) throws GitLabApiException {

src/main/java/org/gitlab4j/api/utils/FileUtils.java

@@ -80,9 +80,9 @@ public static String readFileContents(File file) throws IOException {
     /**
      * Reads the content of a Reader instance and returns it as a String.
      * 
-     * @param reader
+     * @param reader the Reader instance to read the content from
      * @return the content of a Reader instance as a String
-     * @throws IOException
+     * @throws IOException if any error occurs
      */
     public static String getReaderContentAsString(Reader reader) throws IOException {