Improve Windows experience

[andrewhathaway]

Multiple issues among the Windows experience need to be addressed:

• Scrollbars on main window when content overflows are shown. Is there a better alternative to this? Or do we need to implement a custom scrollbars situation for windows. Ideally they should not show.
• Auto updates are currently failing, I'm not sure exactly why this is. Look more in to electron-builder and its deal with not setting the feed URL?
• Default width/height on Windows might not be appropriate. Scrollbars change may fix this.
• More Windows-style app icon
• Title bar to be custom drawn?
• Ability to minimize the app the the try