Template: Rename template directory to be hidden

Renamed from template.Debian to .template.Debian so the update
script won't see it as a build directory.

Author: ltangvald

template.Debian/docker-entrypoint.sh renamed to .template.Debian/docker-entrypoint.sh

@@ -17,11 +17,10 @@ declare -A debianVariants=(
 # Copy entrypoint template
 templateVersions=( "5.7 8.0" )
 for version in ${templateVersions}; do
-	cp "template.Debian/docker-entrypoint.sh" "${version}/"
+	cp ".template.Debian/docker-entrypoint.sh" "${version}/"
 done
 
 for version in "${versions[@]}"; do
-	if [ "${version}" = "template.Debian" ]; then continue; fi # If update.sh is run without arguments, the template directory is included in the list
 	debianVariant="${debianVariants[$version]:-$defaultDebianVariant}"
 	debianSuite="${debianVariant%%-*}" # "stretch", etc