Fix `SPARKCSV_JARS` is not supported issue

README.md

@@ -136,7 +136,7 @@ Setting `spark.local.dir` parameter is important. When local Spark instance dist
 
 ### Running in Standalone mode
 ```
-sparkclr-submit.cmd --verbose  --exe SparkCLRSamples.exe  %SPARKCLR_HOME%\samples sparkclr.sampledata.loc hdfs://path/to/sparkclr/sampledata
+sparkclr-submit.cmd --verbose --master spark://host:port --exe SparkCLRSamples.exe  %SPARKCLR_HOME%\samples sparkclr.sampledata.loc hdfs://path/to/sparkclr/sampledata
 ```
 
 ### Running in YARN mode

scala/src/main/org/apache/spark/launcher/SparkCLRSubmitArguments.scala

@@ -44,6 +44,8 @@ class SparkCLRSubmitArguments(args: Seq[String], env: Map[String, String], exitF
 
   var files: String = null
 
+  var jars: String = env.getOrElse("SPARKCSV_JARS", "").replace(";",",")
+
   var primaryResource: String = null
 
   var propertiesFile: String = null
@@ -133,6 +135,13 @@ class SparkCLRSubmitArguments(args: Seq[String], env: Map[String, String], exitF
       case FILES =>
         files = Utils.resolveURIs(value)
 
+      case JARS =>
+        if (jars != "") {
+          jars = s"$jars,$value"
+        } else {
+          jars = value
+        }
+
       case HELP =>
         printUsageAndExit()
 
@@ -224,6 +233,14 @@ class SparkCLRSubmitArguments(args: Seq[String], env: Map[String, String], exitF
       case _ =>
     }
 
+    if (jars != null && !jars.trim.isEmpty) {
+      if (cmd == "") {
+        cmd += s"--jars $jars"
+      } else {
+        cmd += s" --jars $jars"
+      }
+    }
+
     master match {
 
       case m if m == null || m.startsWith("local") => concatLocalCmdOptions()