Merge branch 'master' of ssh://github.com/tqchen/xgboost

Author: [email protected]

README.md

@@ -5,7 +5,9 @@ An optimized general purpose gradient boosting (tree) library.
 Contributors: https://github.com/tqchen/xgboost/graphs/contributors
 
 Turorial and Documentation: https://github.com/tqchen/xgboost/wiki
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+
+Questions and Issues: [https://github.com/tqchen/xgboost/issues](https://github.com/tqchen/xgboost/issues?q=is%3Aissue+label%3Aquestion)
+
 Features
 =======
 * Sparse feature format: