Fix dummy app generation with Thor 1.0
Fix dummy app generation with Thor 1.0

Pass `abort_on_failure` option to explictly ignore failing `rake
db:drop` command when no databases exist. Failures used to be ignored.

REDMINE-17780

codevise/pageflow,codevise/pageflow,codevise/pageflow,tf/pageflow,codevise/pageflow,tf/pageflow,tf/pageflow,tf/pageflow