message: Fixed/improved references to dockerfiles
diff: @@ -88,7 +88,13 @@ https://github.com/spectrecoin/spectre/blob/develop/src/osx.pri for instructions
  Check the dockerfile of your corresponding platform for which packages must be installed
  using the package manager:
  - * CentOS - https://github.com/spectrecoin/spectre-builder/blob/develop/CentOS/Dockerfile
  +To _build_ Spectrecoin (build time dependencies):
  + * Debian - https://github.com/spectrecoin/spectre-builder/blob/develop/Debian/Dockerfile
  + * Fedora - https://github.com/spectrecoin/spectre-builder/blob/develop/Fedora/Dockerfile
  + * RasperryPi - https://github.com/spectrecoin/spectre-builder/blob/develop/RaspberryPi/Dockerfile
  + * Ubuntu - https://github.com/spectrecoin/spectre-builder/blob/develop/Ubuntu/Dockerfile
  +
  +To _run_ Spectrecoin (run time dependencies):
  * Debian - https://github.com/spectrecoin/spectre-base/blob/develop/Debian/Dockerfile
  * Fedora - https://github.com/spectrecoin/spectre-base/blob/develop/Fedora/Dockerfile
  * RasperryPi - https://github.com/spectrecoin/spectre-base/blob/develop/RaspberryPi/Dockerfile
  