chore(package): update yo to version 1.7.0
chore(package): update yo to version 1.7.0

http://greenkeeper.io/
Offirmo/html_tests,Offirmo/html_tests,Offirmo/web-tech-experiments,Offirmo/html_tests,Offirmo/web-tech-experiments,Offirmo/html_tests,Offirmo/web-tech-experiments,Offirmo/html_tests,Offirmo/web-tech-experiments