high sierra compatibility
improved nstask execution
alleviated need for 'sudo'
refactored code to find camera/mic process
pushed various XPC intensive stuff into background
quit/uninstall didn't stop XPC process
added flag to wait for processes in execTask function
added overlay for rule deletion (to wait to rule to be delete)
fixed issue where deactivation alerts wouldn't auto-close
add patrons to 'about' window
wrapped debug statements with #ifdef DEBUG
improved NSTask to (hopefully) avoid hangs
added dictionary of activation alerts to help with deactivation alert logic
Patrick Wardle