[TEP005][CONFIG] Prevent incompatible configurations
[TEP005][CONFIG] Prevent incompatible configurations

The current implementation of the formal integral can only handle 'downbranch' and disabled
electron scattering. So we raise a ConfigurationError if we find
incompatible settings.

kaushik94/tardis,kaushik94/tardis,kaushik94/tardis,kaushik94/tardis