Warning when profile parameters are reset in parabolic_paramterisation

[timothy-nunn]

Outputs the following warning if the parabolic parameterisation is inappropriately used

process.plasma_profiles - WARNING - Parabolic plasma profiles is used for an L-Mode plasma, but the physics variables do not describe an L-Mode plasma. 'rhopedt', 'rhopedn', 'teped', 'tesep', 'neped', 'nesep', and 'tbeta' have all been reset to L-Mode appropriate values

Tested by using a modified large-tokamak input file with ipedestal=0, the warning is output.

[mkovari]

It might be good to mention explicitly that ipedestal=0 in the error message.

You might also change parabolic_paramterisation to 'parabolic_parameterisation' if you are really keen.

[ajpearcey]

lgtm