Use locally build container because of #5

You can build the container with `make setup`.

Dockerfile

@@ -0,0 +1,5 @@
+# build with `docker build -t localethereum/client-python .`
+FROM python:2.7.11
+
+RUN pip install pyethapp
+ENTRYPOINT "/usr/local/bin/pyethapp"

Makefile

@@ -0,0 +1,2 @@
+setup:
+	docker build -t localethereum/client-python .

README.md

@@ -3,6 +3,14 @@ Sometimes you maybe want to run your own little ethereum network. This is how yo
 # PREREQUISITES
 - install docker
 - install docker-compose (`pip install -r requirements.txt`)
+- prepare the client container by running
+
+    make setup
+
+## TODOS
+- determine working docker versions
+- determin working docker-compose version
+- fix upstream `dockerhub/ethereum/client-python`
 
 # WHAT'S IN THE BOX?
 This repository contains two examples:

simple/docker-compose.yml

@@ -1,5 +1,5 @@
 bootstrap:
-  image: ethereum/client-python
+  image: localethereum/client-python
   container_name: bootstrap
   entrypoint: /usr/local/bin/pyethapp
   command: "-c eth.network_id=1337 -c node.privkey_hex=091bd6067cb4612df85d9c1ff85cc47f259ced4d4cd99816b14f35650f59c322 -b 'enode://288b97262895b1c7ec61cf314c2e2004407d0a5dc77566877aad1f2a36659c8b698f4b56fd06c4a0c0bf007b4cfb3e7122d907da3b005fa90e724441902eb19e@localhost:30303' run --fake"
@@ -8,21 +8,21 @@ bootstrap:
     - 127.0.0.1:30304:30303/udp
 
 eth:
-  image: ethereum/client-python
+  image: localethereum/client-python
   links: 
     - bootstrap
   entrypoint: /usr/local/bin/pyethapp
   command: "-c eth.network_id=1337 -b 'enode://288b97262895b1c7ec61cf314c2e2004407d0a5dc77566877aad1f2a36659c8b698f4b56fd06c4a0c0bf007b4cfb3e7122d907da3b005fa90e724441902eb19e@bootstrap:30303' run --fake"
 
 miner:
-  image: ethereum/client-python
+  image: localethereum/client-python
   links: 
     - bootstrap
   entrypoint: /usr/local/bin/pyethapp
   command: "-c eth.network_id=1337 -b 'enode://288b97262895b1c7ec61cf314c2e2004407d0a5dc77566877aad1f2a36659c8b698f4b56fd06c4a0c0bf007b4cfb3e7122d907da3b005fa90e724441902eb19e@bootstrap:30303' -m 50 run --fake"
 
 debug:
-  image: ethereum/client-python
+  image: localethereum/client-python
   container_name: debug
   links: 
     - bootstrap

with-netstats/monitored-client/Dockerfile

@@ -1,4 +1,4 @@
-FROM ethereum/client-python
+FROM localethereum/client-python
 
 RUN apt-get update &&\
     apt-get install -y curl git-core &&\