Version 4.0.0-beta.3

There were many updates made for this plugin and cleaned up and adjusted many things. The 4 changes below will need to be updated in the templates in order for everything to work.

message[template] -> message[confirmationTemplate]
message[subject] -> message[confirmationSubject]
message[recaptchaTemplateOverride'] -> message[disableRecaptcha]
message[saveSubmissionOverride] -> message[disableSaveSubmission]