* Change languages build to use less memory
Add graceful-fs so no ned to worry about fs limits
* Specify encoding for fs.readFile
Use eachLimit since graceful-fs handles that now
Bumping eslint & configs meant making some linting fixes
For future reference, the `xmlhttprequest-ssl` library must be of equal versioning to the one in `engine.io-client`, otherwise it won't be deduped which causes the socket.io tests to fail
- Target aliases and bundles
- More concurrency
- Use `--series` to force series processing
- Minifier self-hosted threading
- meta/css delegates to minifier