Refactored install scripts to separate script paths

Minor improvement to readability so the script path stands out as being
configuragble versus being grouped with the default Bash settings.

bin/install_applications

@@ -6,6 +6,7 @@ set -o nounset
 set -o errexit
 set -o pipefail
 IFS=$'\n\t'
+
 SCRIPT_PATH="$MAC_OS_CONFIG_PATH/bin/install_applications"
 
 if [[ -x "$SCRIPT_PATH" ]]; then