* DiscImageChef/Main.cs:

* DiscImageChef/Options.cs:
	* DiscImageChef/DiscImageChef.csproj:
	* DiscImageChef/Commands/MediaScan.cs:
	  Added media-scan command.

	* DiscImageChef.Decoders/SCSI/Inquiry.cs:
	  Fixes decoding for devices that follow old 5-byte SCSI
	  INQUIRY format.

	* DiscImageChef.Decoders/SCSI/Sense.cs:
	  Fixes printing of sense block missing a newline.

	* DiscImageChef.Devices/Device/Variables.cs:
	* DiscImageChef.Devices/Device/Constructor.cs:
	  Added an IsRemovable field.

	* DiscImageChef.Devices/Device/ScsiCommands.cs:
	  Fixed SCSI READ CAPACITY CDB size.
	Fixed READ CD-DA MSF method name.
	Implemented SCSI SEEK (6) and SEEK (10) commands.

	* DiscImageChef.Devices/Linux/Command.cs:
	* DiscImageChef.Devices/Windows/Command.cs:
	  Fixed memory leaking on unmanaged heap.

	* DiscImageChef.Helpers/StringHandlers.cs:
	  Fixed string conversion when input byte array is null.

	* DiscImageChef/Commands/MediaInfo.cs:
	  Check for inserted medium only on removable media devices.

DiscImageChef.Devices/Device/Variables.cs

@@ -52,6 +52,7 @@ namespace DiscImageChef.Devices
         readonly string revision;
         readonly string serial;
         readonly Decoders.SCSI.PeripheralDeviceTypes scsiType;
+        readonly bool removable;
 
         /// <summary>
         /// Gets the Platform ID for this device
@@ -178,6 +179,14 @@ namespace DiscImageChef.Devices
                 return scsiType;
             }
         }
+
+        public bool IsRemovable
+        {
+            get
+            {
+                return removable;
+            }
+        }
     }
 }