Minor style fixes and changes to show http error exceptions with othe…

…r message structures

build/angular-growl-foundation.css

@@ -10,7 +10,7 @@
   position: fixed;
   float: right;
   width: 90%;
-  max-width: 400px;
+  max-width: 500px;
   z-index: 9999;
 }
 .growl-container.growl-fixed.top-right {

build/angular-growl.js

@@ -163,9 +163,9 @@ angular.module('angular-growl').provider('growl', function () {
     '$q',
     'growl',
     function ($q, growl) {
-      function checkResponse(response) {
-        if (response.data[_messagesKey] && response.data[_messagesKey].length > 0) {
-          growl.addServerMessages(response.data[_messagesKey]);
+      function checkResponse(response,type) {
+        if (response.data && response.data[_messagesKey] && response.data[_messagesKey].length > 0) {
+          growl.addServerMessages(response.data[_messagesKey],type);
         }
       }
       return {
@@ -174,7 +174,7 @@ angular.module('angular-growl').provider('growl', function () {
           return response;
         },
         'responseError': function (rejection) {
-          checkResponse(rejection);
+          checkResponse(rejection,'error');
           return $q.reject(rejection);
         }
       };
@@ -248,11 +248,17 @@ angular.module('angular-growl').provider('growl', function () {
         severity = (severity || 'error').toLowerCase();
         sendMessage(text, config, severity);
       }
-      function addServerMessages(messages) {
+      function addServerMessages(messages,type) {
         var i, message, severity, length;
-        length = messages.length;
+        if(!angular.isArray(messages)){
+            var temp = {};
+            temp[_messageTextKey]=messages;
+            temp[_messageSeverityKey]= type || 'success';
+            messages = [temp];
+        }
+        length = messages.length;       
         for (i = 0; i < length; i++) {
-          message = messages[i];
+          message = messages[i];          
           if (message[_messageTextKey]) {
             severity = (message[_messageSeverityKey] || 'error').toLowerCase();
             var config = {};