Clean up a piece of rather awkward code.
Clean up a piece of rather awkward code.

In particular, avoid initializing const members in the initializer
list of the class, then const-casting them and initializing them
again.

JaeryunYim/dealii,danshapero/dealii,YongYang86/dealii,adamkosik/dealii,andreamola/dealii,danshapero/dealii,adamkosik/dealii,johntfoster/dealii,kalj/dealii,spco/dealii,jperryhouts/dealii,adamkosik/dealii,maieneuro/dealii,naliboff/dealii,ESeNonFossiIo/dealii,EGP-CIG-REU/dealii,johntfoster/dealii,JaeryunYim/dealii,gpitton/dealii,danshapero/dealii,spco/dealii,naliboff/dealii,gpitton/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii,pesser/dealii,angelrca/dealii,adamkosik/dealii,shakirbsm/dealii,spco/dealii,ESeNonFossiIo/dealii,andreamola/dealii,andreamola/dealii,sairajat/dealii,kalj/dealii,Arezou-gh/dealii,pesser/dealii,gpitton/dealii,shakirbsm/dealii,jperryhouts/dealii,sriharisundar/dealii,ibkim11/dealii,kalj/dealii,angelrca/dealii,kalj/dealii,sairajat/dealii,nicolacavallini/dealii,johntfoster/dealii,maieneuro/dealii,sriharisundar/dealii,JaeryunYim/dealii,shakirbsm/dealii,gpitton/dealii,andreamola/dealii,johntfoster/dealii,JaeryunYim/dealii,jperryhouts/dealii,naliboff/dealii,kalj/dealii,sriharisundar/dealii,ibkim11/dealii,EGP-CIG-REU/dealii,kalj/dealii,sairajat/dealii,jperryhouts/dealii,sriharisundar/dealii,shakirbsm/dealii,nicolacavallini/dealii,maieneuro/dealii,jperryhouts/dealii,naliboff/dealii,sairajat/dealii,johntfoster/dealii,pesser/dealii,gpitton/dealii,danshapero/dealii,ibkim11/dealii,YongYang86/dealii,angelrca/dealii,maieneuro/dealii,sriharisundar/dealii,JaeryunYim/dealii,gpitton/dealii,shakirbsm/dealii,angelrca/dealii,adamkosik/dealii,nicolacavallini/dealii,pesser/dealii,maieneuro/dealii,JaeryunYim/dealii,EGP-CIG-REU/dealii,naliboff/dealii,gpitton/dealii,jperryhouts/dealii,andreamola/dealii,shakirbsm/dealii,ESeNonFossiIo/dealii,EGP-CIG-REU/dealii,naliboff/dealii,YongYang86/dealii,ibkim11/dealii,adamkosik/dealii,EGP-CIG-REU/dealii,pesser/dealii,shakirbsm/dealii,pesser/dealii,YongYang86/dealii,ibkim11/dealii,jperryhouts/dealii,andreamola/dealii,kalj/dealii,YongYang86/dealii,angelrca/dealii,Arezou-gh/dealii,andreamola/dealii,johntfoster/dealii,naliboff/dealii,spco/dealii,sairajat/dealii,danshapero/dealii,ibkim11/dealii,maieneuro/dealii,johntfoster/dealii,maieneuro/dealii,nicolacavallini/dealii,ibkim11/dealii,danshapero/dealii,Arezou-gh/dealii,YongYang86/dealii,ESeNonFossiIo/dealii,spco/dealii,Arezou-gh/dealii,angelrca/dealii,danshapero/dealii,nicolacavallini/dealii,Arezou-gh/dealii,JaeryunYim/dealii,sairajat/dealii,sriharisundar/dealii,sriharisundar/dealii,angelrca/dealii,YongYang86/dealii,sairajat/dealii,spco/dealii,Arezou-gh/dealii,ESeNonFossiIo/dealii,pesser/dealii,adamkosik/dealii,spco/dealii,ESeNonFossiIo/dealii,Arezou-gh/dealii,ESeNonFossiIo/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii