Updated to PSR-4 and new Splot Framework.
Revert "Updated to PSR-4 and new Splot Framework."

This reverts commit c1b59ba8dcc6d690d3fbeea22c4ef538eb3cfd44.
Merge branch 'master' of https://github.com/michaldudek/genry

* 'master' of https://github.com/michaldudek/genry:
  Added data writer.
  Overwrite Twig assets extension to generate valid relative links.
  Moved Twig templating to a subnamespace and added preventions of caching templates.
  Implemented file watching functionality.
  Output to console via ConsoleLogger.
  Moved project generation logic to Genry class instead of the command.
Updated to PSR-4 and new Splot Framework.
Version bump.