BUG-1138 - wrong value in OFPXMT_OFB_VLAN_VID in FLOW_MOD

- vlanPresent set to true if setting vlanId value
- checkstyle whitespace fix

Change-Id: I667fb667af8d5dcd1bc7216ce1fab9e78b6d2f51
Signed-off-by: Michal Rehak <mirehak@cisco.com>
Merge "BUG-1138 - wrong value in OFPXMT_OFB_VLAN_VID in FLOW_MOD"