add comment, add byte encoding for auto completion

Author: rahuldutta90

src/DataLakeStore/DataLakeStore/DataPlaneCommands/AddAzureRmDataLakeStoreItemContent.cs

@@ -47,7 +47,7 @@ public class AddAzureDataLakeStoreItemContent : DataLakeStoreFileSystemCmdletBas
             HelpMessage =
                 "Optionally indicates the encoding for the content being uploaded as part of 'Value'. Default is UTF8")]
         [ArgumentToEncodingTransformation]
-        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32)]
+        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32, EncodingUtils.Byte)]
         public Encoding Encoding { get; set; } = Encoding.UTF8;
 
         public override void ExecuteCmdlet()

src/DataLakeStore/DataLakeStore/DataPlaneCommands/GetAzureRmDataLakeStoreItemContent.cs

@@ -87,7 +87,7 @@ public class GetAzureDataLakeStoreContent : DataLakeStoreFileSystemCmdletBase
             Mandatory = false,
             HelpMessage = "Optionally indicates the encoding for the content being downloaded. Default is UTF8")]
         [ArgumentToEncodingTransformation]
-        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32)]
+        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32, EncodingUtils.Byte)]
 
         public Encoding Encoding { get; set; } = Encoding.UTF8;
 

src/DataLakeStore/DataLakeStore/DataPlaneCommands/NewAzureRmDataLakeStoreItem.cs

@@ -48,7 +48,7 @@ public class NewAzureDataLakeStoreItem : DataLakeStoreFileSystemCmdletBase
             HelpMessage =
                 "Optionally indicates the encoding for the content being uploaded as part of 'Value'. Default is UTF8")]
         [ArgumentToEncodingTransformation]
-        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32)]
+        [PSArgumentCompleter(EncodingUtils.Unknown, EncodingUtils.String, EncodingUtils.Unicode, EncodingUtils.BigEndianUnicode, EncodingUtils.Ascii, EncodingUtils.Utf8, EncodingUtils.Utf7, EncodingUtils.Utf32, EncodingUtils.Default, EncodingUtils.Oem, EncodingUtils.BigEndianUtf32, EncodingUtils.Byte)]
         public Encoding Encoding { get; set; } = Encoding.UTF8;
 
         [Parameter(ValueFromPipelineByPropertyName = true, Position = 3, Mandatory = false,

src/DataLakeStore/DataLakeStore/DataPlaneModels/DataLakeStoreFileSystemCmdletBase.cs

@@ -101,7 +101,13 @@ internal static byte[] GetBytes(object content, Encoding encoding)
                 {
                     return byteArray;
                 }
-
+                /*
+                 *  [byte[]] $byteData = 1,2,3,4,5
+                 * $MyList = [System.Collections.Generic.List[object]]::new()
+                 * $MyList.Add($byteData[0])
+                 * $MyList.Add($byteData[1])
+                 * And then pass $MyList.ToArray() this will pass object[] containing bytes
+                 */
                 // attempt to convert the object into an object array	
                 var contentArray = content as object[];
                 if (contentArray == null)