Auto merge of #157 - asajeffrey:gitignore-more-things, r=jdm

Added mozjs/third_party/python/psutil/build and tmp to .gitignore

Makes `cargo publish` happier.

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Author: bors-servo

.gitignore

@@ -8,6 +8,8 @@ js/src/builtin/jsmin.pyc
 js/src/build/ConfigStatus.pyc
 js/src/config/Preprocessor.pyc
 mozjs/python/psutil/build
+mozjs/third_party/python/psutil/build
+mozjs/third_party/python/psutil/tmp
 /doc
 /target
 /Cargo.lock