Update the full ParameterHandler example.
Update the full ParameterHandler example.

This commit fixes several small issues, such as the path to a deal.II
header file, code formatting, and the format of the printed output.

sairajat/dealii,sairajat/dealii,spco/dealii,EGP-CIG-REU/dealii,spco/dealii,pesser/dealii,naliboff/dealii,JaeryunYim/dealii,danshapero/dealii,kalj/dealii,pesser/dealii,naliboff/dealii,sairajat/dealii,angelrca/dealii,spco/dealii,naliboff/dealii,angelrca/dealii,EGP-CIG-REU/dealii,angelrca/dealii,JaeryunYim/dealii,danshapero/dealii,shakirbsm/dealii,shakirbsm/dealii,EGP-CIG-REU/dealii,shakirbsm/dealii,danshapero/dealii,kalj/dealii,shakirbsm/dealii,naliboff/dealii,angelrca/dealii,kalj/dealii,angelrca/dealii,sairajat/dealii,EGP-CIG-REU/dealii,sairajat/dealii,spco/dealii,JaeryunYim/dealii,danshapero/dealii,danshapero/dealii,spco/dealii,naliboff/dealii,danshapero/dealii,EGP-CIG-REU/dealii,danshapero/dealii,shakirbsm/dealii,pesser/dealii,pesser/dealii,pesser/dealii,JaeryunYim/dealii,naliboff/dealii,EGP-CIG-REU/dealii,JaeryunYim/dealii,spco/dealii,shakirbsm/dealii,kalj/dealii,sairajat/dealii,angelrca/dealii,JaeryunYim/dealii,kalj/dealii,sairajat/dealii,JaeryunYim/dealii,pesser/dealii,naliboff/dealii,spco/dealii,pesser/dealii,kalj/dealii,EGP-CIG-REU/dealii,shakirbsm/dealii,angelrca/dealii,kalj/dealii