Fixes knife-block for chef 12, using chef_config_dir instead of locate_config_file
Fixes knife-block for chef 12, using chef_config_dir instead of locate_config_file

benvaljean/knife-block,nshemonsky/knife-block,nshemonsky/knife-block,martinb3/knife-block,martinb3/knife-block,benvaljean/knife-block,knife-block/knife-block,knife-block/knife-block