Merge remote-tracking branch 'upstream/master' into pushPredicateThroughWindowNewNewNew

Author: gatorsmile

R/pkg/NAMESPACE

@@ -24,7 +24,10 @@ export("setJobGroup",
        "clearJobGroup",
        "cancelJobGroup")
 
-exportClasses("DataFrame")
+# Export Utility methods
+export("setLogLevel")
+
+exportClasses("SparkDataFrame")
 
 exportMethods("arrange",
               "as.data.frame",
@@ -126,6 +129,7 @@ exportMethods("%in%",
               "between",
               "bin",
               "bitwiseNOT",
+              "bround",
               "cast",
               "cbrt",
               "ceil",