Fix unencoded email address during login

Author: jpasqua

src/org/noroomattheinn/tesla/Tesla.java

@@ -136,7 +136,7 @@ private boolean login(String username, String password, boolean remember) {
             // OK, now complete the login  by doing a POST with the username
             // and password. This sets the user_credentials cookie
             FormContent fc = Resty.form(
-                    "user_session[email]=" + username +
+                    "user_session[email]=" + Resty.enc(username) +
                     "&user_session[password]=" + Resty.enc(password));
             text = api.text(endpoint("login"), fc);