[OpenSIPS-Devel] [OpenSIPS/opensips] ab01c7: More detailed return code for LB functions.

[Bogdan-Andrei Iancu]

  Branch: refs/heads/master
  Home:   https://github.com/OpenSIPS/opensips
  Commit: ab01c7376e058e747eb0664f89496041493ee64b
      https://github.com/OpenSIPS/opensips/commit/ab01c7376e058e747eb0664f89496041493ee64b
  Author: Bogdan-Andrei Iancu <bogdan at opensips.org>
  Date:   2016-10-06 (Thu, 06 Oct 2016)

  Changed paths:
    M modules/load_balancer/README
    M modules/load_balancer/doc/load_balancer_admin.xml
    M modules/load_balancer/lb_data.c

  Log Message:
  -----------
  More detailed return code for LB functions.

In case of LB failure, the ret code may be:
-1 generic internal error
-2 no capacity left
-3 no available destinations
-4 bad resources

Closes #662