big refacting of communitation architect

opencv-motion-detect/README.MD

+
+## build libs
+- LIBZMQ, LEVELDB
+  ```
+  make zmq leveldb
+  ```
+- FFMPEG
+  ```
+  ref:
+  ```
+- OPENCV
+  ```
+  ref:
+  ```
+- CURL
+  ```
+  ref:
+  ```
+- fswatch
+  ```
+  ref:
+  ```
+
+## build executables
+```
+make -j
+```
+
+## deploy edge & cloud systems
+- TODO: systemd or supervisor auto for auto start on boot and monitoring
+- manually: evdaemon will start all other 5 subsystems(evmgr, evpuller, evpusher, evmlmotion, evslicer) on a edge device.
+  ```
+  # on edge device
+  $ CLOUD_ADDR=tcp://<EVCLOUDSVC_IP>:<EVCLOUDSVC_PORT> path_to/evdaemo
+
+  # on cloud
+  $ evcloudsvc
+  ```
+
+## configuration
+
+
+## trouble-shooting
+```
+TODO:
+```
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