factory: add 'home_directory' key into envs.common
factory: rewrite config and another files loading logic
  now factory load all matched files from
  envs.common.home_directory and current directories
factory: change default value for envs.common.home_directory
factory: fix loading config file for logging module
logging.ini: add basic logging config as file for tests purpose
tests: add class TestLoadFilesFromHomeDirectory
tests: add tests for --no-stdin-cache cli option
factory: add envs.common.store_stdin and --no-stdin-cache cli option