Remove a commented out line.  Update change log.
MODIFY
CHANGELOG.md
CHANGELOG.md
### Changes
- Changed build process: optional dependencies are now included in the bundle by default (#890)
+- Transpile with Babel to support old browsers and new language features (#900)
## Version 0.17.0

MODIFY
karma-cov.conf.js
karma-cov.conf.js
@@ -34,7 +34,6 @@ module.exports = function (config) {
karma_config.specReporter = {suppressPassed: true, suppressSkipped: true};
karma_config.coverageReporter = {
reporters: [
- // {type: 'html', dir: 'dist/coverage/', subdir: subdir_name},
{type: 'cobertura', dir: 'dist/cobertura/', file: 'coverage.xml', subdir: subdir_name},
{type: 'json', dir: 'dist/coverage/json/', subdir: subdir_name},
{type: 'lcovonly', dir: 'dist/coverage/lcov', subdir: subdir_name},

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