support for multiple files and folders (#66)
removed unnecessary image, and deleted onionshare_gui/static folder
deleted file_crunching tests
beginning to refactor onionshare_gui to work with multiple files (#66)
beginning ServerStatus layout
beginning Downloads layout
beginning Options layout
FileSelection and ServerStatus interact together, disabling buttons when appropriate
close automatically checkbox respects --stay-open argument again
server can be started and stopped from the GUI
made it so clicking Start Server actually starts the server, and made the URL fields hide/show appropriately, and the Copy URL button work
added download progress bars to GUI, and made close automatically act as stop server automatically
catches exception when Tor is not open and trying to close server when it's not running