[fix] Fix loop option of the packet file sender

The loop options of the PacketfileSender was broken.
The pcap filename is open at the creation of the vvPacketSender and close when its delete.
We now create a new vvPacketSender for each send.

Fix #30 (closed)

LidarPlugin/Common/Network/vvPacketSender.h

@@ -26,8 +26,8 @@ class vtkPacketFileReader;
 
 /**
  * \class vvPacketSender
- * \brief This class is responsible to send all packet in a .pcap file once.
- *        To send a pcap file multiples times, a new vvPacketSender should be created.
+ * \brief This class is responsible to send all packets in a .pcap file once.
+ *        To send a pcap file multiples times, a new vvPacketSender should be created each time.
 */
 
 class VTK_EXPORT vvPacketSender