TypeScript compilation fails due to missing type definitions

This is a carry on from pact-foundation/pact-js#142

Software versions

• OS: Ubuntu 16.04.3 LTS
• Consumer Pact library: PactJS 5.3.1
• Node Version: v6.9.1

Expected behaviour

When using pact-js as a devDependency, pact-js can be compiled by TypeScript successfully without requiring additional definitions (e.g. adding @types/bunyan as an explicit dependency).

Actual behaviour

TypeScript compilation fails.

Steps to reproduce

1. Clone/Download https://gist.github.com/zsims/904dcb7d7fcc2543776740be65b171c0
2. yarn install (or npm install)
3. yarn test (or npm test)

Relevant log files

$ yarn run test
yarn run v1.3.2
$ tsc
node_modules/@pact-foundation/pact-node/src/logger.ts(11,8): error TS2339: Property 'info' does not exist on type 'Logger'.
node_modules/@pact-foundation/pact-node/src/logger.ts(19,36): error TS2339: Property 'level' does not exist on type 'Logger'.
node_modules/@pact-foundation/pact-node/src/logger.ts(25,16): error TS2554: Expected 0 arguments, but got 1.
node_modules/@pact-foundation/pact-node/src/publisher.ts(10,3): error TS2322: Type '{}' is not assignable to type 'PublisherOptions'.
  Property 'pactFilesOrDirs' is missing in type '{}'.
error Command failed with exit code 2.

[mefellows]

Running a release for this now @zsims. v5.3.2 should be out in the next hour or so.

[zsims]

@mboudreau Can confirm this package works fine under TypeScript. But, a new release is needed for pact-foundation/pact-js due to the fixes that recently landed regarding es6-promise.

I can confirm that master of this repo and master of pact-foundation/pact-js work well from TypeScript 😄