introduce dump.sh and restore.sh scripts

docker-tools/dump.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+docker build -t eventman-dump-and-restore .
+docker run --name eventman-dump --rm --network="eventman_default" -v `pwd`:/data --link=eventman_eventman-mongo_1:eventman-mongo eventman-dump-and-restore --dump

docker-tools/restore.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+docker build -t eventman-dump-and-restore .
+docker run --name eventman-restore --rm --network="eventman_default" -v `pwd`:/data --link=eventman_eventman-mongo_1:eventman-mongo eventman-dump-and-restore --restore $1