include a note in the readme about availability of new YAJL
include a note in the readme about availability of new YAJL

mathstuf/yajl,digitalbitbox/yajl,eldenchen/yajl,digitalbitbox/yajl,likema/yajl,asimonov-im/yajl,Alessar/yajl,asimonov-im/yajl,lloyd/yajl,likema/yajl,verlinked/yajl,Distrotech/yajl,asimonov-im/yajl,Alessar/yajl,verlinked/yajl,nkhorman/yajl,0x0all/yajl,ludocode/yajl,nkhorman/yajl,lclc/yajl,tguillem/android-yajl,couchbaselabs/yajl,Qarterd/yajl,ludocode/yajl,lloyd/yajl,couchbaselabs/yajl,Qarterd/yajl,lclc/yajl,mathstuf/yajl,vinod1988/yajl,0x0all/yajl,vinod1988/yajl,Distrotech/yajl,eldenchen/yajl,tguillem/android-yajl