!squash rfclient: Replaces RouteInfo with RouteMod

Fixed memory leak by using locally-scoped Match and Action objects
rather than allocated objects
Fixed compiler warning for FULL_IPV6_MASK braces - three sets of
braces refers to array within union within struct
!squash rfclient: Replaces RouteInfo with RouteMod

Fixed compiler warning about FlowTable.cc:293:47 treating s_addr
as an unsigned long rather than a uint32_t