make branch prefixes configurable
diff --git a/git-flow-feature b/git-flow-feature
index cda9c90..6ba664f 100755
--- a/git-flow-feature
+++ b/git-flow-feature
@@ -40,7 +40,8 @@
 		usage
 		exit 1
 	fi
-	BRANCH=feature/$NAME
+	PREFIX=$(git config --get gitflow.prefix.feature || echo feature/)
+	BRANCH=$PREFIX$NAME
 }
 
 cmd_help() {