Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/bin/wkhtmltopdf-amd64

@@ -1,37 +0,0 @@
-#!/usr/bin/env sh
-
-# Support bash to support `source` with fallback on $0 if this does not run with bash
-# https://stackoverflow.com/a/35006505/6512
-selfArg="$BASH_SOURCE"
-if [ -z "$selfArg" ]; then
-    selfArg="$0"
-fi
-
-self=$(realpath $selfArg 2> /dev/null)
-if [ -z "$self" ]; then
-    self="$selfArg"
-fi
-
-dir=$(cd "${self%[/\\]*}" > /dev/null; cd '../h4cc/wkhtmltopdf-amd64/bin' && pwd)
-
-if [ -d /proc/cygdrive ]; then
-    case $(which php) in
-        $(readlink -n /proc/cygdrive)/*)
-            # We are in Cygwin using Windows php, so the path must be translated
-            dir=$(cygpath -m "$dir");
-            ;;
-    esac
-fi
-
-export COMPOSER_RUNTIME_BIN_DIR="$(cd "${self%[/\\]*}" > /dev/null; pwd)"
-
-# If bash is sourcing this file, we have to source the target as well
-bashSource="$BASH_SOURCE"
-if [ -n "$bashSource" ]; then
-    if [ "$bashSource" != "$0" ]; then
-        source "${dir}/wkhtmltopdf-amd64" "$@"
-        return
-    fi
-fi
-
-"${dir}/wkhtmltopdf-amd64" "$@"