message: elle.log: let Logger also read ELLE_LOG_TIME_UNIVERSAL and ELLE_LOG_TIME_MICROSEC
diff: @@ -112,10 +112,10 @@ namespace elle
  Logger::Logger(std::string const& log_level,
  std::string const& envvar)
  - : _indentation(std::make_unique<PlainIndentation>())
  - , _time_universal(false)
  - , _time_microsec(false)
  - , _component_max_size(0)
  + : _indentation{std::make_unique<PlainIndentation>()}
  + , _time_universal{os::getenv("ELLE_LOG_TIME_UNIVERSAL", false)}
  + , _time_microsec{os::getenv("ELLE_LOG_TIME_MICROSEC", false)}
  + , _component_max_size{0}
  {
  this->_setup_indentation();
  // FIXME: resets indentation
  