Update dependencies in build.js.
Make `cleanupSource` remove extra trailing whitespace.
Remove `getCategoryDependencies`, `getSupport`, `removeSupport` functions from build.js.
Cleanup build.js.
Add `removeAssignments` and the snippet that removes methods in build.js.
Remove `exports` comment when removing the `_` exports via `removeRunInContext` in build.js
Add `includeVars` and allow `include=none` in build.js.
Allow the `iife` command to not have `%output%` specified.
Adjust `varMethodDependencyMap` when `isModularize` and remove `lodash` references when `isNoDep`.