SliceName lengths has been limited to 45. This condition is anyway ...

...present in the FlowVisor Db which limits the sliceName length to 45, but it has been made more explicit by printing out a specific error message. In this way, it is ensured that sliceName length never exceeds more than 45 char and the issue reported of LLDP breaking  when above 255 char never happens as reported in Issue23.