[nodejs] move to 6.x

Version 4.0

Improvements for frappe/erpnext v7 release

Version 3.1

Compatibility fixes between Celery and RQ configs

Merge branch 'celery-to-rq'

bumped version to v2.1

Merge pull request frappe#195 from frappe/new-install

Bench v2.0

[cleanup] removed installers

Merge pull request frappe#134 from dottenbr/patch-1

Update README.md

Merge pull request frappe#76 from frappe/fix-maridb-patch

Fix maridb patch

Merge branch 'fix-perms-patch'