Wrong shell script specified in start.sh

start.sh was trying to run nova-config.sh which has been renamed
nova-controller-config.sh

Change-Id: I546ce046c0789144cb48668500ea4b206d07487d
Merge "Wrong shell script specified in start.sh"
fix typo in crudini command

Change-Id: I67f23c1fa987c33abef8607834dfface1de0fee2