install: fix nested <p> tags in error messages
install: fix nested <p> tags in error messages

Stop CodeIgniter adding extra tags around form validation messages
(copied from Authenticated_Controller).

PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3,kelaskakap/cms-api-unggun,PeterRock/Ci-Bonfire3