Remove sizing parameters from number input widget (works on #193)

src/widget/widgets/input.js

@@ -78,10 +78,10 @@ class WidgetInput extends Component {
       <div className="number-input-widget full">
           <Form componentclass="fieldset" horizontal="true">
               <FormGroup>
-                  <Col as={FormLabel} xs={3}>
+                  <Col as={FormLabel}>
                     {this.props.widget.name}
                   </Col>
-                  <Col xs={9}>
+                  <Col>
                     <InputGroup>
                       <FormControl type="number" step="any" disabled={ this.props.editing } onKeyPress={ (e) => this.handleKeyPress(e) } onBlur={ (e) => this.valueChanged(this.state.value) } onChange={ (e) => this.valueIsChanging(e.target.value) } placeholder="Enter value" value={ this.state.value } />
                       <InputGroup.Append>