fix(filenames): updated component .scss names to match conventions

docs/guides/PULL_REQUESTS.md

@@ -23,9 +23,7 @@ Before you submit your pull request consider the following guidelines:
   and ensure that all tests pass.
 
 * Commit your changes using a descriptive commit message that follows our
-  [commit message conventions](CONTRIBUTING.md#commit-message-format) and passes our commit message
-  presubmit hook `validate-commit-msg.js`.<br/>
-  Adherence to the [commit message conventions](CONTRIBUTING.md#commit-message-format) is required
+  [commit message conventions](CONTRIBUTING.md#commit-message-format). Adherence to the [commit message conventions](CONTRIBUTING.md#commit-message-format) is required
   because release notes are automatically generated from these messages.
 
      ```shell

gulpfile.js

@@ -402,7 +402,8 @@ gulp.task('build-themes', ['build-default-theme'], function() {
   var stream = mergeStream();
   var themes = glob('themes/**.scss', { cwd: __dirname })
     .filter(function(themeName) {
-      return themeName.split('/')[1].charAt(0) != '_';
+      // Only <component>.scss is different from <component>-theme.scss
+      return (themeName.indexOf('-theme') > -1);
     });
   themes.forEach(function(themeFile) {
     var name = themeFile.match(/((\w|-)+)-theme\.scss/)[1];