1-add list of attribute to CsvAttributeProvider BE file
2-migrate method importPortChannelPhamilyInterface to ImportServiceImpl BE file
3-migrate LogicalInterfaceServerCsvHandler file to BE
4-migrate PortChannelServerCsvHandler file to BE
5-fix row 111 in ServerCsvHandler from _cols[i] to _cols[attrib.getCol()]
6-add ServiceInterfaceClientCsvHandler file to BE
7-add classes : ElementLogicalInterface | ElementLoopbackInterface | ElementportChanel | ElementTunnel |ElementVlanInterface | EthernetTrunkInterface|LagInterface to model
8-add ServiceInterfaceCsvImportContainer to UI
9-add import btn to ServiceInterfaceView (UI)
10-add ServiceInterfacePage page UI
11-add ServiceInterfaceViewContainer UI
12-test with file in attatchement
13-update UCMDB_LOGICAL_INTERFACE_VW add ipdatav6id column
14-add mysql Server version for UCMDB_LOGICAL_INTERFACE_VW
15-add mysql version for UCMDB_MULTIPLEXING_RATIO_VW
16-fix save logical interface to treat subclasses