v 0.5.9

• Choose between notification with preview, with only sender's name (message preview hidden) or without any information.
• Sending documents from "Send to" explorer context menu added, see a checkbox in Settings (only Windows version).
• Little features: Ctrl+Tab / Ctrl+Shift+Tab switch to near dialogs, links without top-level domain highlight, version in About dialog now leads to version history.
• Some bugs fixed: maximize button in Ubuntu, running different copies of app under different users at the same time in Windows, Surface touchscreen support fixed.
• Added 32 bit Ubuntu version.