Add ACME/Let’s Encrypt integration tests

Thx @gwallet for the help.

integration/resources/compose/boulder.yml

@@ -0,0 +1,44 @@
+boulder:
+    image: containous/boulder:release
+    environment:
+        FAKE_DNS: ${DOCKER_HOST_IP}
+        PKCS11_PROXY_SOCKET: tcp://boulder-hsm:5657
+    extra_hosts:
+      - le.wtf:127.0.0.1
+      - boulder:127.0.0.1
+    ports:
+      - 4000:4000 # ACME
+      - 4002:4002 # OCSP
+      - 4003:4003 # OCSP
+      - 4500:4500 # ct-test-srv
+      - 8000:8000 # debug ports
+      - 8001:8001
+      - 8002:8002
+      - 8003:8003
+      - 8004:8004
+      - 8055:8055 # dns-test-srv updates
+      - 9380:9380 # mail-test-srv
+      - 9381:9381 # mail-test-srv
+    links:
+      - bhsm:boulder-hsm
+      - bmysql:boulder-mysql
+      - brabbitmq:boulder-rabbitmq
+
+bhsm:
+    # To minimize the fetching of various layers this should match
+    # the FROM image and tag in boulder/Dockerfile
+    image: letsencrypt/boulder-tools:2016-11-02
+    environment:
+        PKCS11_DAEMON_SOCKET: tcp://0.0.0.0:5657
+    command: /usr/local/bin/pkcs11-daemon /usr/lib/softhsm/libsofthsm.so
+    expose:
+      - 5657
+bmysql:
+    image: mariadb:10.1
+    environment:
+        MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
+    log_driver: none
+brabbitmq:
+    image: rabbitmq:3
+    environment:
+        RABBITMQ_NODE_IP_ADDRESS: "0.0.0.0"