carbon-components/src/components/select/migrate-to-7.x.md

Carbon Components is a component library for IBM Cloud

### HTML

No changes.

### SCSS

The `_select.scss` file is now located at `src/components/select/_select.scss`. You will need to update any `@import` statements for this file to reflect this change.

**New**: 
```scss
@import 'path_to_node_modules/carbon-components/src/components/select/select';
```

**Old**: 
```scss
@import 'path_to_node_modules/@console/bluemix-components/src/components/select/select';
```

Quite a few class names have changed. See table below.

| Old Class            | New Class           | Note    |
|----------------------|---------------------|---------|
| bx--select__optgroup | bx--select-optgroup | Changed |
| bx--select__option   | bx--select-option   | Changed |