Fixes to the ADSIC
Description
Fixes to the ADSIC:
- The spin-polarized case implementing an approximate version for the Hartree term.
- The energy was missing a factor of 1/2.
- Forbids the code to run with NLCC, as this is not implemented at the moment.
Checklist
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I have checked that my code follows the Octopus coding standards -
I have added tests for all the new features added in this request.