Initial implementation of email designs
don't check coverage on external node_modules
Fix express to 4.2.0 due ot build break
fix variable names, cleaner filter
Merge pull request #906 from stuartf/coverageIgnoreExternal

don't check coverage on external node_modules
Merge pull request #907 from mrvisser/express-4.2.0

Fix express to 4.2.0 due to build break
Merge branch 'emailaggregation' of https://github.com/simong/Hilary into emailaggregation
Merge remote-tracking branch 'origin/master' into emailaggregation
Merge branch 'emailaggregation' of https://github.com/simong/Hilary into emailaggregation
Email template refinements and followup on code review
Merge remote-tracking branch 'bert/emailaggregation' into emailaggregation

* bert/emailaggregation:
  Email template refinements and followup on code review
  fix variable names, cleaner filter
  Fix express to 4.2.0 due ot build break
  don't check coverage on external node_modules
  Initial implementation of email designs
Email aggregation

* Template follow-up
  - i18n + localization
  - cleaned up html
  - abstracted some logic
 * Bug in aggregator