according to the community since recent changes.

see: http://www.mikealrogers.com/posts/nodemodules-in-git.html
by @mikeal
(cherry picked from commit 44b47ec5bd0222ccf55efe5bcdb8bd3c55271803)

config/*.yml should not be ignored in Rails

The possible files could be database.yml or sold.yml

Add gitignore for nanoc

Added *.plt used by dialyzer

Ignore file for SugarCRM

Minor update

Completing the LaTeX.gitignore

Remove weird OS X specific .gitignore rule which behaves very unexpectedly

.gitignore file for Jekyll

More detailed symfony2 gitignore.

Added cabal-dev dir.

Fix ignore rule for Symfony.gitignore's data/sql, plugin-generated Doctrine models.

Latex

FuelPHP gitignore

A gitignore file for the Finale suite of music notation software

Installshield project output folder.

Symphony CMS

Improve NetBeans .gitignore rules 

Add ".scala_dependencies" file generated by Scala-IDE 

ignore multisite blogs.dir directory

Some C# / VS changes

Added a newline at end of the Mercurial and Java files in order to build a gitignore file from multiple templates.

Joomla 1.6 standard files

Adds gitignore for Leiningen projects

Altera Quartus II and Mentor Graphics ModelSim/Questa

Add gitignore for Compass CSS framework

Changes to support CodeIgniter (Reactor) 2.0 

Opencart gitignore file

Added RubyMine

Added support for Espresso .gitignore

Added .sln.docstates to ignore list

Added Support For MonoDevelop .gitignore

Ignore Emacs write-lock files

Update for Node.gitignore and npm 1.0

Added Matlab.gitignore to Globals

Edited Global/Eclipse.gitignore via GitHub

update Magento.gitignore to work with Magento 1.6