Relax validation on mesh secure key to allow compatibility with Broadband Hamnet OLSRD key
Relax validation on mesh secure key to allow compatibility with Broadband Hamnet OLSRD key

thorbert/hsmm-pi,cbegg50/hsmm-pi-direct,thorbert/hsmm-pi,argilo/hsmm-pi,urlgrey/hsmm-pi,urlgrey/hsmm-pi,cbegg50/hsmm-pi-direct,virtualdxs/hsmm-pi,argilo/hsmm-pi,thorbert/hsmm-pi,urlgrey/hsmm-pi,virtualdxs/hsmm-pi,virtualdxs/hsmm-pi,thorbert/hsmm-pi,cbegg50/hsmm-pi-direct,cbegg50/hsmm-pi-direct,argilo/hsmm-pi,argilo/hsmm-pi,urlgrey/hsmm-pi,virtualdxs/hsmm-pi