Fix foreman_proxy answers migration when module's disabled
When the foreman_proxy module is disabled, the value of the answer willbe false rather than a hash, causing a migration error:
20160518125928_foreman_proxy_puppetrun_rename.rb:3:in `block (2 levels) in load_migrations': undefined method `has_key?' for false:FalseClass (NoMethodError)
Fix foreman_proxy answers migration when module's disabled
When the foreman_proxy module is disabled, the value of the answer will
be false rather than a hash, causing a migration error: