LP#1739803 Angular 1.6 + dependency updates

LP#1739803 Angular 1.6 + dependency updates

Rebuild package.json starting with Angular 1.6.  This resulted in a
number of dependency updates and small changes required to keep the
dependencies happy.

* Teach print.js to use promise-style $http responses, instead of
  .success() and .error()
* Remove unused '$http' dependency in hatch.js
* Fix egDate custom test matcher to work with newer version of
  karma-jasmine.
* Build IDL for test scripts using Grunt/exec "cwd" since Grunt fails to
  understand "&&" commands, like 'cd foo && bar'.
* For correctness, move dev-only depenencies into the package.json
  devDependencies section.

See also
https://docs.angularjs.org/guide/migration#migrating-from-1-5-to-1-6

Signed-off-by: Bill Erickson <berickxx@gmail.com>