chore(package): update babel-core to version 6.25.0 (#969)
chore(package): update babel-core to version 6.25.0 (#969)


shubheksha/web-ext,shubheksha/web-ext,mozilla/web-ext,kumar303/web-ext,kumar303/web-ext,rpl/web-ext,mozilla/web-ext,rpl/web-ext