Refactor spec file and make rhel rpms work again.

Refs #4075
spec: Fix enabled module symlink

Refs #4075
Add style and view scripts for first prototype

refs #6136
Add multistep form

refs #6136
Redirect to /install when the setup.token exists but no config.ini

refs #6136
Make it possible to disable form submit buttons forcefully
Fix subForm functionality
Multistep pages should not have random generated names

refs #6136
Fix multistep form creation

refs #6136
Make it possible to recreate a form
Fix multistep page creation

refs #6136
Multistep pages should know about their multistep form

refs #6136
It is a multistep page's responsibility whether it is shown to the user

refs #6136
Merge branch 'feature/install-wizard-6136'

refs #6136
Add wizard page for the logging configuration

resolves #6129
Add form elements and validation for AdministratorForm

refs #6134
Move form options to external properties

refs #6134
Add form as Page to InstallationController

refs #6134
Fetch users from backends and populate multi-option with usernames

refs #6134