Bugfix: Support complex_overloads.h also in C++11 mode
Bugfix: Support complex_overloads.h also in C++11 mode

[Wow. This is the first time that I broke something in C++11 mode - I
didn't realize that I was still in C++98 mode when testing...]

Manually specify all products that shall be available in ProductType -
otherwise our overloads cannot be used.

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