Closes #375 

* Detect versions at startup

* Add meaningful error messages when problems with npm or yarn

* Test helpers

* Test global versions

* Skip repositories with no package.json

Closes #376

* Fix await

* Refactor file file check

* Update tests

Fixes #371

* Add debug messages to API

* Fix rebase logic

* Fix tests

* Simplify logic

* Update branch.spec.js

Closes #333

* Update dependency prettier to version 1.5.2

* lint fix

* Store repoIsOnboarded in config

* Use package file renovate config for onboarding

Closes #368

* Add branchName to mergeRenovateJson

* Split onboarding into branch and PR

* Update onboarding description

* remove snapshot

* Update tests

* Update onboarding text

* Group together pins

* Install github-url-from-git

* Get repositoryUrl from npm

* Don’t delete excess pins

* Update configuration.md

* Update tests

* Get repositoryUrl from npm

Closes #350

* Generate repository url from npm query

Closes #350

* Move package-file worker

* rename to renovatePackageFile

* Move packageJson

* Add getDepTypeConfig

* Add

* Revert "Add"

This reverts commit d034e6149af90caf57de3f1b5069674fd8537bd3.

* Refactor versions

* rename findPackageFileUpgrades

* rename versions

* packageWorker

* Refactor promises

* move snapshots

* Rename

* Refactor versions

* Refactor

* Finish package worker

* Major refactor

* Remove worker tests

* package/versions

* Finish packageWorker tests

* package-json test

* Finish dep-type tests

* Add back package-json helper test

* Refactor package-file

* Add back branch and pr

* Add back remaining worker tests

* update tests

* remove snapshot

* Fix dep-type coverage

* Remove old tests

* Coverage

* Add subdirectory

* Move apis tests

* Move onboarding

* Move more apis functions

* Move upgrades

* Refactor index

* Renames

* Set levels in definitions

* Rename global worker

* getRepoConfig use options levels

* Refactor packageFileConfig

* Add onboarding configuration

* Filter GitHub App repositories list if configured via CLI

Closes #354

* Fix existing tests

* Add new test

Closes #352 

* Update platform.js

* Update repository.js