- running sdwdate as user instead as root
- fixed sdwdate error handler in X
- protected sdwdate from running multiple times (when using service sdwdate start multiple times in a row)
- new sdwdate test file to create a test error /var/lib/whonix/sdw_error
- improved /etc/sdwdate.d config folder, timesync plugin config and whonix connection checker config are now in separate config fragments
- removed whonix connection checker plugin for sdwdate from sdw default config
- implement $SDW_MODE variable, which is either set to
  - startup (when the sdwdate process is started)
  - daemon (when the sdwdate process finished one loop and will continue)
- msgcollector and msgdispatcher
- refactoring
- comments