This reverts commit dd26a018.

feat: validate renovate config PRs

Refactors all instances of .concat() to use array spread operators instead

Closes #1459

This reverts commit d5984a3c.

This is so that the upgrade is combined with travis and nvm

To ensure we list both nvm and engines when upgrading node

Thanks @hbetts aka @destroyerofbuilds for your continued contributions to the project.

docs: Improve local development information

Closes: #1586

Signed-off-by: Adam Moss <adam.moss@bcs.org.uk>

docs(contributing): fix typo

This reverts commit 81c72247.

Re-enables branch cleanup for multiple baseBranches

Remove outdated packageFiles description

Adds initial support for `.nvmrc` renovation. If the existing value is a fully-specified semver version then it will be upgraded, otherwise left alone.

Closes #1270 

This reverts commit c6be3154.

Closes #1584

Retains the "node" configuration object but moves enabling/disabling to "travis". Also removes the default `supportPolicy` from config.

Updates travis config and logic to use same variables as for other managers. This fixes the onboarding PR.

Fixes #1551