Merge pull request #61 from yizshi/lint

fix lint issue cause maven job fail + add lint check into ci

Author: AaronAtDuo

duo-client/src/main/java/com/duosecurity/client/Base64.java

@@ -1086,6 +1086,8 @@ private static int decode4to3(byte[] source, int srcOffset,
    *            The Base64 encoded data
    * @return decoded data
    * @since 2.3.1
+   * @throws java.io.IOException
+   *            If bogus characters exist in source data
    */
   public static byte[] decode(byte[] source) throws java.io.IOException {
     byte[] decoded = null;

duo-client/src/main/java/com/duosecurity/client/Http.java

@@ -73,6 +73,9 @@ public class Http {
 
   /**
    * @deprecated Use the HttpBuilder instead
+   * @param inMethod    The method for the http request
+   * @param inHost      The api host provided by Duo and found in the Duo admin panel
+   * @param inUri       The endpoint for the request
    */
   public Http(String inMethod, String inHost, String inUri) {
     this(inMethod, inHost, inUri, DEFAULT_TIMEOUT_SECS);
@@ -209,7 +212,7 @@ public void signRequest(String ikey, String skey)
    *
    * @param ikey        Integration key provided by Duo and found in the admin panel
    * @param skey        Secret key provided by Duo and found in the admin panel
-   * @param sigVersion  The version of signature used
+   * @param inSigVersion  The version of signature used
    *
    * @throws UnsupportedEncodingException For unsupported encodings
    */