Rename ha-zone-cards to ha-cards

src/components/ha-cards.html

@@ -5,7 +5,7 @@
 <link rel="import" href="../cards/ha-domain-card.html">
 <link rel="import" href="../cards/ha-introduction-card.html">
 
-<dom-module id="ha-zone-cards">
+<dom-module id="ha-cards">
   <style>
     :host {
       display: block;

src/components/ha-cards.js

@@ -32,7 +32,7 @@ function entitySortBy(entity) {
 }
 
 export default new Polymer({
-  is: 'ha-zone-cards',
+  is: 'ha-cards',
 
   properties: {
     showIntroduction: {

src/layouts/partial-zone.html

@@ -4,7 +4,7 @@
 <link rel="import" href="../../bower_components/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="../../bower_components/paper-tabs/paper-tabs.html">
 
-<link rel="import" href="../components/ha-zone-cards.html">
+<link rel="import" href="../components/ha-cards.html">
 
 <dom-module id="partial-zone">
   <style>
@@ -60,9 +60,9 @@
       </paper-toolbar>
 
       <div class='fit'>
-        <ha-zone-cards
+        <ha-cards
           show-introduction='[[computeShowIntroduction(currentView, introductionLoaded, states)]]'
-          states='[[states]]' columns='[[columns]]'></ha-zone-cards>
+          states='[[states]]' columns='[[columns]]'></ha-cards>
       </div>
     </paper-header-panel>
   </template>

src/layouts/partial-zone.js

@@ -4,7 +4,7 @@ import Polymer from '../polymer';
 import nuclearObserver from '../util/bound-nuclear-behavior';
 
 require('./partial-base');
-require('../components/ha-zone-cards');
+require('../components/ha-cards');
 
 const {
   configGetters,