hideButtons prop added

dev-example/App.vue

@@ -1,6 +1,7 @@
 <template>
   <div>
     <form-wizard @on-complete="onComplete"
+                 :hide-buttons="false"
                  shape="square"
                  color="gray"
                  @on-loading="setLoading"

src/components/FormWizard.vue

@@ -45,7 +45,7 @@
       </div>
     </div>
 
-    <div class="wizard-card-footer">
+    <div class="wizard-card-footer" v-if="!hideButtons">
       <template>
         <span @click="prevTab" v-if="displayPrevButton" class="wizard-footer-left">
           <slot name="prev">
@@ -104,6 +104,10 @@
         type: String,
         default: 'Finish'
       },
+      hideButtons: {
+        type: Boolean,
+        default: false
+      },
       validateOnBack: Boolean,
       /***
        * Applies to text, border and circle