upgrade unlang from 2.1.12 to 3.0.14

[Alan DeKok]

On Jul 7, 2017, at 6:02 AM, adrian.p.smith at bt.com wrote:
> 
> Does the linelog module support control characters such as "\n\t" ?

  It shouldn't... 

  We're looking at changing this in v4, where data taken from the network is "tainted", but data taken from the config files is "safe".  That will avoid security issues with allowing \n inside of User-Name, for example.

  Alan DeKok.