Implemented docker for flags example

Author: renzon

17-futures/countries/vaurien_delay.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 vaurien --protocol http --backend localhost:8001 \
-        --proxy localhost:8002  \
-        --behavior 100:delay --behavior-delay-sleep .5
+        --proxy 0.0.0.0:8002  \
+        --behavior 100:delay --behavior-delay-sleep 1

17-futures/countries/vaurien_error_delay.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 vaurien --protocol http --backend localhost:8001 \
-        --proxy localhost:8003  \
+        --proxy 0.0.0.0:8003  \
         --behavior 25:error,50:delay --behavior-delay-sleep .5