* Added icon to "Recent >" menu item.
* Refactored app menu implementation, and implemented keyboard accelerators. Still doesn't work though.
* Few things fixed, but still doesn't work.
* Clicking menu items works.
* Fixing an issue with resources.
* New menu binding implemented. Still doesn't work though.
* Menu displayed properly, except for "Settings".
* Menu works, but it doesn't refresh.
* Works. But needs to be polished.
* All known issues with the new app menu solved.
* Significantly simplifying app menu binding.
* Removing some obsolete classes.
* Menu binding mechanism additionally optimized for performances.
* Removing unused translations.
* Further refactoring app menu binding, in order to make it more general.
* New window mechanism simplified. Terminal-launching code refactored to be more readable. A bug with "SSH Info" fixed.
* Merging the latest changed.