• fix save_app_config() broken in 1.1.5
  fixes "Can not reach" #204 & #206
• replace TeeJee.logging.vala, log_*(), & LOG_DEBUG=bool LOG_ENABLE=bool bools with l.misc.vala, vprint(), and VERBOSE=int
  VERBOSE=int to set various verbosity levels instead of just debug on/off
  environment variable VERBOSE to effect before commandline is parsed
• replace TeeJee print_progress_bar() with l.misc pbar()
  clean up progress display
• stop the background notification instance and the users interactive instance from stepping on each other's cache operations on startup
  main index download gets unique temp name
  only launch notify-loop.sh immediately on config save if notifications were turned off
  if notification on, then only launch the background loop on exit
• save & restore the terminal window dimensions (but not yet the position)