Document our failed experiment with block diagonal preconditioners.
Document our failed experiment with block diagonal preconditioners.

git-svn-id: 31d9d2f6432a47c86a3640814024c107794ea77c@16524 0785d39b-7218-0410-832d-ea1e28bc413d

adamkosik/dealii,YongYang86/dealii,flow123d/dealii,johntfoster/dealii,mtezzele/dealii,ESeNonFossiIo/dealii,mac-a/dealii,kalj/dealii,sriharisundar/dealii,flow123d/dealii,naliboff/dealii,naliboff/dealii,sairajat/dealii,ESeNonFossiIo/dealii,mtezzele/dealii,jperryhouts/dealii,JaeryunYim/dealii,jperryhouts/dealii,sriharisundar/dealii,naliboff/dealii,YongYang86/dealii,danshapero/dealii,lue/dealii,natashasharma/dealii,johntfoster/dealii,sairajat/dealii,mac-a/dealii,johntfoster/dealii,mac-a/dealii,sairajat/dealii,sairajat/dealii,spco/dealii,natashasharma/dealii,mtezzele/dealii,nicolacavallini/dealii,angelrca/dealii,msteigemann/dealii,naliboff/dealii,msteigemann/dealii,gpitton/dealii,johntfoster/dealii,adamkosik/dealii,jperryhouts/dealii,andreamola/dealii,natashasharma/dealii,andreamola/dealii,spco/dealii,shakirbsm/dealii,angelrca/dealii,flow123d/dealii,JaeryunYim/dealii,Arezou-gh/dealii,spco/dealii,mac-a/dealii,JaeryunYim/dealii,jperryhouts/dealii,rrgrove6/dealii,JaeryunYim/dealii,mtezzele/dealii,angelrca/dealii,lpolster/dealii,maieneuro/dealii,ESeNonFossiIo/dealii,rrgrove6/dealii,flow123d/dealii,lue/dealii,jperryhouts/dealii,gpitton/dealii,Arezou-gh/dealii,sairajat/dealii,flow123d/dealii,ibkim11/dealii,ibkim11/dealii,YongYang86/dealii,jperryhouts/dealii,johntfoster/dealii,naliboff/dealii,msteigemann/dealii,maieneuro/dealii,angelrca/dealii,Arezou-gh/dealii,ESeNonFossiIo/dealii,angelrca/dealii,kalj/dealii,YongYang86/dealii,lpolster/dealii,shakirbsm/dealii,lue/dealii,pesser/dealii,nicolacavallini/dealii,flow123d/dealii,EGP-CIG-REU/dealii,adamkosik/dealii,maieneuro/dealii,danshapero/dealii,mac-a/dealii,lpolster/dealii,shakirbsm/dealii,kalj/dealii,shakirbsm/dealii,natashasharma/dealii,Arezou-gh/dealii,Arezou-gh/dealii,ibkim11/dealii,danshapero/dealii,kalj/dealii,lpolster/dealii,adamkosik/dealii,JaeryunYim/dealii,spco/dealii,msteigemann/dealii,danshapero/dealii,pesser/dealii,adamkosik/dealii,andreamola/dealii,lpolster/dealii,sriharisundar/dealii,YongYang86/dealii,danshapero/dealii,naliboff/dealii,mtezzele/dealii,rrgrove6/dealii,andreamola/dealii,shakirbsm/dealii,rrgrove6/dealii,EGP-CIG-REU/dealii,JaeryunYim/dealii,adamkosik/dealii,maieneuro/dealii,mac-a/dealii,gpitton/dealii,lpolster/dealii,andreamola/dealii,ESeNonFossiIo/dealii,mtezzele/dealii,adamkosik/dealii,spco/dealii,YongYang86/dealii,kalj/dealii,ibkim11/dealii,jperryhouts/dealii,pesser/dealii,ESeNonFossiIo/dealii,YongYang86/dealii,JaeryunYim/dealii,spco/dealii,lue/dealii,sriharisundar/dealii,pesser/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii,pesser/dealii,shakirbsm/dealii,rrgrove6/dealii,maieneuro/dealii,gpitton/dealii,andreamola/dealii,kalj/dealii,nicolacavallini/dealii,EGP-CIG-REU/dealii,msteigemann/dealii,nicolacavallini/dealii,mac-a/dealii,flow123d/dealii,ibkim11/dealii,msteigemann/dealii,nicolacavallini/dealii,Arezou-gh/dealii,lue/dealii,danshapero/dealii,gpitton/dealii,ESeNonFossiIo/dealii,nicolacavallini/dealii,natashasharma/dealii,sriharisundar/dealii,sairajat/dealii,gpitton/dealii,spco/dealii,EGP-CIG-REU/dealii,ibkim11/dealii,pesser/dealii,angelrca/dealii,natashasharma/dealii,rrgrove6/dealii,Arezou-gh/dealii,sairajat/dealii,danshapero/dealii,rrgrove6/dealii,msteigemann/dealii,angelrca/dealii,EGP-CIG-REU/dealii,johntfoster/dealii,kalj/dealii,naliboff/dealii,sriharisundar/dealii,lue/dealii,ibkim11/dealii,natashasharma/dealii,johntfoster/dealii,lpolster/dealii,gpitton/dealii,lue/dealii,maieneuro/dealii,EGP-CIG-REU/dealii,mtezzele/dealii,maieneuro/dealii,sriharisundar/dealii,andreamola/dealii,pesser/dealii,shakirbsm/dealii