* feat(NA): upgrade node js version on file configs.
* chore(NA): migrate configs and 3rd party dependencies to work on node js 10.x
* fix(NA): add missing async function declaration.
* chore(NA): updated elastic/good package to work with node10
* chore(NA): update lockfiles.
* fix(NA): add missing dep.
* fix(NA): types for node 10.
* test(NA): fix error return type for node10.
* fix(NA): kbn-pm webpack config to unlazy a require using lazy-cache. fix(NA): build to work with node 10.
* test(NA): jest integration test for kbn-pluin-helpers.
* test(NA): fix jest tests for kbn-es.
* fix(NA): use ostmpdir instead of a tmp folder inside the fixtures.
* fix(NA): change afterEach on kbn es decompress test.
* fix(NA): change afterEach on kbn es decompress test.
* fix(NA): readd mock-fs for the tests that still use it on kbn-es and that works on node10.
* fix(NA): readd mock-fs for the tests that still use it on kbn-es and that works on node10.
* refact(NA): rewrite tests using mock-fs and completely remove this dependency.
* fix(NA): failing test implementation using jest mock in order to replace mock-fs.
* fix(NA): update jest snapshots to match new ones generated one node 10.
* fix(NA): cli/cluster mock to spyOn off method instead off spyOn removeListener as this was changed on Node 10.
* fix(NA): tests for cluster_manager to also spyOn off and on instead of addListener and removeListener
* test(NA): fix management advance settings image field test flow.
* fix(NA): apply missing types for src/core/server/plugins/discovery/plugins_discovery.ts.
* test(NA): updated 2 missing snapshots for KuiCodeEditor on kbn-ui-framework.
* refact(NA): fix eslint errors.
* refact(NA): fix ts code with tslint fix. chore(NA): update jest snapshots.
* chore(NA): migrate kbn config schema peer dependency to last used joi version to avoid warning on bootstrap.
* fix(NA): tslint errors.
* chore(NA): upgrade types node to the last version.
* fix(NA): missing utf8 input format encoding when reading a file.
* chore(NA): upgrade to node 10.14.1
* fix(NA): Buffer api usage to avoid deprecation warnings.
* Add .nvmrc file
* Update contributing docs
* Fix typo in `nvm use`
* Update "install node" text
* Add test to ensure .nvmrc and .node-version are identical
* Use async/await instead of promise
* Feedback
