This re-covers the http://nodejs.org/api/addons.html case for which the "build" directory was added in
00686415c4, but doesn't break cross-environment projects that use the build directory for including concatenated/minified source. Mazel tov!
# Node-specific patterns
+## Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
## Dependency directory
## Deployed apps should consider commenting this line out:
## see https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git