Merge branch 'autocomplete/clearable-prop' of github.com:arthurdenner/element into autocomplete/clearable-prop

Author: arthurdenner

packages/autocomplete/src/autocomplete.vue

@@ -10,6 +10,7 @@
     <el-input
       ref="input"
       v-bind="[$props, $attrs]"
+      @clear="handleClear"
       @input="handleChange"
       @focus="handleFocus"
       @blur="handleBlur"