quickstart: Set set -ex in all quickstart scripts.

quickstart/01_download_example_data.sh

 #!/bin/bash
 
+set -ex
+
 echo "************************************************************" 
 echo " 01_download_example_data.sh"
 echo "************************************************************" 

quickstart/02_create_ckdtree.sh

 #!/bin/bash
-#set -ex
+
+set -ex
 
 echo "************************************************************" 
 echo " 02_create_ckdtree.sh "

quickstart/03_pyic_fig_and_sec.sh

 #!/bin/bash
 
+set -ex
+
 echo "************************************************************" 
 echo " 03_pyic_fig_and_sec.sh "
 echo "************************************************************" 

quickstart/04_notebook_plotting.sh

 #!/bin/bash
 
+set -ex
+
 echo "************************************************************" 
 echo " 04_notebook_plotting.sh "
 echo "************************************************************" 

quickstart/05_notebook_calculations.sh

 #!/bin/bash
 
+set -ex
+
 echo "************************************************************" 
 echo " 05_notebook_calculations.sh "
 echo "************************************************************" 

quickstart/06_quickplots.sh

 #!/bin/bash
+ 
+ set -ex
 
 echo "************************************************************" 
 echo " 06_quickplots.sh "