chore(package): update karma-chrome-launcher to version 0.2.3
chore(package): update karma-chrome-launcher to version 0.2.3

http://greenkeeper.io/
javlaking/testangular2ci,rangle/ng2-redux-starter,javlaking/testangular2ci,lokeshjain2008/ng2practice,e-schultz/angular2-redux-example,stevenkampen/ng2-sequencer,rangle/angular2-redux-starter,rangle/ng2-redux-starter,e-schultz/angular2-redux-example,rangle/ng2-redux-starter,javlaking/testangular2ci,lokeshjain2008/ng2practice,javlaking/testangular2ci,tsungting/blue-bird,stevenkampen/ng2-sequencer,stevenkampen/ng2-sequencer,tsungting/blue-bird,tsungting/blue-bird,tsungting/blue-bird,javlaking/testangular2ci,lokeshjain2008/ng2practice,rangle/angular2-redux-starter,e-schultz/angular2-redux-example,rangle/angular2-redux-starter,tsungting/blue-bird,rangle/angular2-redux-starter,rangle/angular2-redux-starter