Add menu item to remove *.log file
(#16)
Remove *.log files only after confirmation
(#16)
Add Ctrl+W hotkey to remove *.log files
(now we have confirmation and this is safe)
(#16)
Better way to remove *.log files:
* Ask for confirmation only if at least one *.log file exists
* Don't disable "Log" button, if file isn't removed due to some errors
(#16)