Documentation: Update testsuite documentation
Documentation: Update testsuite documentation

Closes #657

EGP-CIG-REU/dealii,ibkim11/dealii,EGP-CIG-REU/dealii,ibkim11/dealii,nicolacavallini/dealii,kalj/dealii,spco/dealii,EGP-CIG-REU/dealii,ESeNonFossiIo/dealii,mtezzele/dealii,pesser/dealii,gpitton/dealii,shakirbsm/dealii,ESeNonFossiIo/dealii,YongYang86/dealii,lpolster/dealii,ibkim11/dealii,danshapero/dealii,natashasharma/dealii,lue/dealii,rrgrove6/dealii,mac-a/dealii,lue/dealii,jperryhouts/dealii,mtezzele/dealii,angelrca/dealii,naliboff/dealii,gpitton/dealii,msteigemann/dealii,kalj/dealii,ESeNonFossiIo/dealii,Arezou-gh/dealii,lpolster/dealii,jperryhouts/dealii,sairajat/dealii,msteigemann/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii,kalj/dealii,ESeNonFossiIo/dealii,angelrca/dealii,rrgrove6/dealii,kalj/dealii,maieneuro/dealii,lpolster/dealii,Arezou-gh/dealii,YongYang86/dealii,lpolster/dealii,andreamola/dealii,nicolacavallini/dealii,pesser/dealii,johntfoster/dealii,rrgrove6/dealii,mtezzele/dealii,natashasharma/dealii,mac-a/dealii,sairajat/dealii,kalj/dealii,YongYang86/dealii,shakirbsm/dealii,angelrca/dealii,msteigemann/dealii,lue/dealii,andreamola/dealii,maieneuro/dealii,sairajat/dealii,natashasharma/dealii,nicolacavallini/dealii,gpitton/dealii,JaeryunYim/dealii,johntfoster/dealii,YongYang86/dealii,jperryhouts/dealii,natashasharma/dealii,YongYang86/dealii,jperryhouts/dealii,sairajat/dealii,EGP-CIG-REU/dealii,kalj/dealii,shakirbsm/dealii,sriharisundar/dealii,adamkosik/dealii,danshapero/dealii,mtezzele/dealii,johntfoster/dealii,maieneuro/dealii,pesser/dealii,lue/dealii,lpolster/dealii,maieneuro/dealii,jperryhouts/dealii,msteigemann/dealii,spco/dealii,naliboff/dealii,ESeNonFossiIo/dealii,danshapero/dealii,johntfoster/dealii,kalj/dealii,Arezou-gh/dealii,jperryhouts/dealii,msteigemann/dealii,EGP-CIG-REU/dealii,angelrca/dealii,spco/dealii,naliboff/dealii,angelrca/dealii,lpolster/dealii,sairajat/dealii,ESeNonFossiIo/dealii,Arezou-gh/dealii,natashasharma/dealii,ibkim11/dealii,andreamola/dealii,ESeNonFossiIo/dealii,mac-a/dealii,ibkim11/dealii,maieneuro/dealii,naliboff/dealii,naliboff/dealii,rrgrove6/dealii,JaeryunYim/dealii,JaeryunYim/dealii,ibkim11/dealii,spco/dealii,adamkosik/dealii,sairajat/dealii,nicolacavallini/dealii,ibkim11/dealii,johntfoster/dealii,sriharisundar/dealii,nicolacavallini/dealii,lue/dealii,natashasharma/dealii,jperryhouts/dealii,danshapero/dealii,sriharisundar/dealii,gpitton/dealii,mac-a/dealii,natashasharma/dealii,mac-a/dealii,JaeryunYim/dealii,Arezou-gh/dealii,danshapero/dealii,shakirbsm/dealii,pesser/dealii,JaeryunYim/dealii,lue/dealii,lpolster/dealii,shakirbsm/dealii,sairajat/dealii,mtezzele/dealii,naliboff/dealii,adamkosik/dealii,rrgrove6/dealii,adamkosik/dealii,andreamola/dealii,pesser/dealii,mac-a/dealii,gpitton/dealii,YongYang86/dealii,mtezzele/dealii,spco/dealii,sriharisundar/dealii,pesser/dealii,naliboff/dealii,Arezou-gh/dealii,adamkosik/dealii,nicolacavallini/dealii,danshapero/dealii,andreamola/dealii,shakirbsm/dealii,JaeryunYim/dealii,andreamola/dealii,msteigemann/dealii,rrgrove6/dealii,JaeryunYim/dealii,sriharisundar/dealii,johntfoster/dealii,adamkosik/dealii,andreamola/dealii,sriharisundar/dealii,gpitton/dealii,lue/dealii,adamkosik/dealii,rrgrove6/dealii,maieneuro/dealii,mac-a/dealii,johntfoster/dealii,maieneuro/dealii,Arezou-gh/dealii,mtezzele/dealii,spco/dealii,angelrca/dealii,pesser/dealii,danshapero/dealii,shakirbsm/dealii,angelrca/dealii,gpitton/dealii,EGP-CIG-REU/dealii,spco/dealii,YongYang86/dealii,msteigemann/dealii,sriharisundar/dealii