Dependencies are extremely stale #1175
Description
The dependencies on this package are growing very old and need to be brought up to date. This will prevent duplicate modules entering our projects that are extremely dated.
Package Current Wanted Latest Location
acorn 0.6.0 0.6.0 3.2.0 uglify-js
async 0.2.10 0.2.10 2.0.0-rc.6 uglify-js
escodegen 1.3.3 1.3.3 1.8.0 uglify-js
estraverse 1.5.1 1.5.1 4.2.0 uglify-js
source-map 0.5.1 0.5.6 0.5.6 uglify-js
yargs 3.10.0 3.10.0 4.7.1 uglify-js