Update packages/ Add org-ref

elpa/pdf-tools-20180428.827/build/server/test/docker/lib/run-tests

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+PATH="$(dirname "$0")":$PATH
+
+set -e
+
+yes-or-enter | ./autobuild -i /bin
+yes-or-enter | ./autobuild -i /usr/bin | \
+    grep -q "Skipping package installation (already installed)"

elpa/pdf-tools-20180428.827/build/server/test/docker/lib/yes-or-enter

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Step over prompts from the package-manager.
+if [ -f /etc/arch-release ]; then
+    yes '' 
+else
+    yes
+fi
+