member-ordering: Support categories

[andy-hanson]

PR checklist

• Addresses an existing issue: member-ordering: Allow category grouping #1912
• New feature, bugfix, or enhancement
  • Includes tests
• Documentation update
• Enable CircleCI for your fork (https://circleci.com/add-projects)

What changes did you make?

Changed member-ordering to allow to use categories rather than just a single option.
This also lets us get rid of the "old" options as they can be described in terms of new presets using categories.

[nchen63]

lgtm, thanks @andy-hanson

[nchen63]

@andy-hanson I get a whole bunch of errors when linting tslint src files using existing tslint.json on develop

(member-ordering) src/rules/whitespaceRule.ts[217, 5]: Declaration of public member not allowed after declaration of private member. Instead, this should come at the beginning of the class/inter
face.
(member-ordering) src/runner.ts[110, 5]: Declaration of public member not allowed after declaration of private member. Instead, this should come at the beginning of the class/interface.
(member-ordering) src/runner.ts[112, 5]: Declaration of public member not allowed after declaration of private member. Instead, this should come at the beginning of the class/interface.