Added class and method documentation, made all the runnables async, added system messages based on user status and fixed some minor bugs
Excluded all internet connection verifications in order to reduce trafic and improve performance
Fixed bugs related to the new connection standards
Fixed yes/no question box not having buttons, fixed #38 progress dialog blocking the entire app and fixed the bug where the chat window would randomly pop-up on the screen when the internet connection is lost
The FileDownloader class can now download files from other domains too
Made the fonts in the chat smaller and fixed a bug that made the staff list to be loaded with a huge delay
Added sounds for jobs and chat (not activated yet)
Activated all the sound alerts (Fixed #13)