v0.17.0

This release has a bunch of upgraded dependencies, improved retry logic, and a TypeScript conversion. This release also has a big breaking change! You now need to instantiate your own gRPC client:

// old 
var gax = require('google-gax');
var gaxGrpc = gax.grpc(opts);

// new
var gax = require('google-gax');
var gaxGrpc = new gax.GrpcClient(opts);

da7a0bd refactor: switch to google-auth-library (#244)
66f21c0 fix(package): update google-proto-files to version 0.16.0 (#240)
7589e14 chore(package): update sinon to version 6.0.0 (#246)
4d25439 refactor: improve types (#247)
790ee57 fix: correct json import paths (#245)
9a2c5cb feat: support retryable streaming requests. (#241)
e5e1589 chore: Update sinon to the latest version 🚀 (#239)
ed51887 chore(package): update @types/sinon to version 5.0.0 (#238)
7f45ff6 chore: lock files maintenance (#237)
2d02e7e chore: improve the types (#234)
2805823 chore(package): update mocha to version 5.2.0 (#233)
3360c3e chore: improve types (#232)
1227425 chore: improve types (#231)
def9cd7 docs: improve the readme (#230)
9b09cbe docs: update CI badge (#227)
642147d feat: improve the types (#226)
668726e fix: update dependencies (#223)
21b8d48 fix: un-flake timer test (#225)
210e4c7 fix: re-enable lint via gts (#218)
a720e07 test: fix flaky test (#228)
a949727 chore: use es6 classes (#219)
915e806 chore: use imports and @types where possible (#217)
783cb88 chore: convert to TypeScript (#214)
5110c2f chore: test on node10 (#216)
b8802b0 chore: lock files maintenance (#215)
11fadf1 chore(package): update sinon to version 5.0.1 (#212)
60855f1 chore(package): update mocha to version 5.1.0 (#211)