Second alpha release v0.6.1-alpha

Changelog

• d77b27c Fixed build not being added to list of completed builds when the two subsequent builds run immediately one after another.
• f04d064 Fixed newly created subjects disappear after window is closed to tray and reopened.
• 66cbd9d a73b3a3 a20cb9c Query Jenkins for culprits, show the information in build tooltip and in progress bar tooltip for current build
• e64b1dd Fixed darkmode for About page - font colors where incorrect
• 2a9cad6 Checkbox for dark mode is now a "Switch On dark mode", not a switch between Dark and Light (now it looks like other checkboxes).
• dd3cb8a Moved current build information to separate line below the subject line.
• 1f845dc Add options to start WhatsON minimized and to have the window always on top
• edf3e86 Add icons showing current state of build