FRRouting Release 7.4

FRRouting Release 7.4

BGPd
   Use sequence numbers for community lists
   Fixes to nexthop groups
   Add feature to limit outgoing number of routes
   Per Neighbor Graceful Restart
   Multiple Graceful Restart fixes
   Support sub-Type-4 and sub-Type-5 for the VPNv4 SRv6 backend
   rfc7606 support: treat certain malformed routes as withdraw
   allow origin override for route aggregates
   rfc6608 support: Subcodes for BGP Finite State Machine Error
   rfc7607 support: Codification of AS 0 Processing
   rfc6286 support: Autonomous-System-Wide Unique BGP Identifier for BGP-4
   Unequal cost multipath (a.ka. weighted ECMP) with BGP link-bandwidth
   Enable rfc8212 by default except datacenter profile
staticd
   Add debug support
vtysh
   Add copy command to copy config from file into running config
LDPd
   adding support for LDP ordered label distribution control
ISISd
   IS-IS Segment Routing support
SHARPd
   add initial support to add/remove lsps
Zebra
   fix broadcast address in IPv4 networks with /31 mask
   Add Graceful Restart support for Protocol Daemon restarts
lib
   migrate route-maps to use northbound interface
plus countless bug fixes and other improvements

Signed-off-by: Martin Winter <mwinter@opensourcerouting.org>