* added broadcast command
* added interface for distinguishing command line commands
* added button to switch from english to dutch (work in progress)
* fixed playlist viewer and now uses list models.
* Externalized strings, so that translating phrases is much easier. There are a few log strings that must still be externalized, but all messages to discord are.
* Added downvote skipping: if more than half of the people listening to a song downvote it, the song is skipped.
* Added emojis to prominent commands to make it easier to understand what the bot is doing without having to read a lot.
* Re-ordered execution and notification to users for some commands, so that the user has a better experience.
* Fixed deletion of messages causing 'no permission error'
* Removed the use of intellij gui form and rewrote the gui in plain java.
* Added console printing to every log call.
Andrew Lalis