Make the CMake tutorial more accurate.
Make the CMake tutorial more accurate.

This commit names things correctly (e.g., CMakeLists.txt, not
CMakefiles.txt).

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