Bug 2126: Fixed bugs in MatchConvertorImpl.OfMatchToSALMatchConvertor().

  * Convert IN_PORT match field value into URI of the specified
    switch port.
  * Copy CFI bit in VLAN_VID field into MD-SAL match.

Change-Id: I7098b99e20538bbaaab391b45b2c87b4157f7d90
Signed-off-by: Shigeru Yasuda <s-yasuda@da.jp.nec.com>
(cherry picked from commit 7b2b0e46211a64b077fe27ee7ee51428612af880)