Docker image for running ccminer with CPU

Start mining in 5 steps!

1. Build an image locally

   make

2. Create a Makefile

   cp Makefile.dist Makefile

3. Prepare the options you want to pass to ccminer. (For instance, generate the from zergpool.com)

4. Open Makefile in a text editor and in the last line replace --version with the options that you have prepared.

5. Start the docker container

   make run