[fixed] add autoComplete off to combobox and dropdown filter

fixes jquense#237

Author: jquense

src/ComboboxInput.jsx

@@ -36,6 +36,7 @@ export default React.createClass({
       <input
         {...this.props }
         type='text'
+        autoComplete='off'
         aria-disabled={this.props.disabled}
         aria-readonly={this.props.readOnly}
         className={this.props.className + ' rw-input'}

src/DropdownList.jsx

@@ -223,6 +223,7 @@ var DropdownList = React.createClass({
       <div ref='filterWrapper' className='rw-filter-input'>
         <span className='rw-select rw-btn'><i className='rw-i rw-i-search'/></span>
         <input ref='filter' className='rw-input'
+          autoComplete='off'
           placeholder={_.result(messages.filterPlaceholder, this.props)}
           value={this.props.searchTerm }
           onChange={ e => notify(this.props.onSearch, e.target.value)}/>