backport from trunk (rev #9789):
- fixed missing braket in SCTP code
- fixed some warnings in SCTP code
  Reported by Muhammad Shahzad
backport from trunk (rev #9793):
- fixed bug in marking as used (in a LB failover scenario) the destinations with IDs bigger than 8.
  Thanks to Seth Schultz for reporting and help with troubleshooting
- fixed help text for "db migrate"
- fixed URL for module docs
Backported from trunk (rev #9804):
Fixed ratelimit bug where the counter reaches -1
Reported by Matt Williams
Closes bug #3603732
backport from trunk (rev #9809)

automatically set TLS=1 when using menuconfig to enable USE_TLS
backport from trunk (rev #9813):
- fixed loading data from db - do not discard GW/Carriers if no rules - we can do routing directly to a carrier (route_to_carrrier() )
  Reported by Nick Altmann
  Closes bug #3605439
backport from trunk (rev #9812):
route_to_carrier() and route_to_gw() must accept both pvars and strings as parameters