Updated packages to latest versions
lodash should be copied to vendor as part of the grunt task.
This shouldn't be in version control
We never use jsdom directly so it's not a direct dependency.
Merge pull request #342 from alphagov/feature/update-dependencies-and-use-lodash

Feature/update dependencies and use lodash
Implemented KPI modules on carers allowance dashboard
Implemented KPI modules on SORN dashboard
Converted exisiting KPI modules to use sigfigs instead of dps
Use pence option for currency formatting in cost-per-transaction modules

dps options will not add trailing zero to multiples of 0.1
Added KPIs to pay legalisation post dashboard
Added KPIs to register birth abroad dashboard
Added KPIs to register death abroad dashboard
Added KPIs to tax disc dashboard