FE/Qt: 7676: Runtime UI: Disk Encryption (DE) support: NLS fix for r99201.
FE/Qt: 7676: Runtime UI: Disk Encryption (DE) support: Initial implementation for Machine settings / General page / Encryption tab.
FE/Qt: Machine settings: Moving mini-toolbar settings from General page to Display page: Machine Window tab for now.
FE/Qt: NLS: Resolve mnemonics conflict for Machine settings (General page) and New VM wizard.
FE/Qt: 6660: Advanced extra-data management framework: Remove code related to unused GUI_SaveMountedAtRuntime.
FE/Qt: language string updates.
copyright indentation fixes
enabled shared clipboard support for Linux hosts (guest=>host only)
FE/Qt: Reworking VBoxOSTypeSelectorWidget into UINameAndSystemEditor. Using it in General page of VM settings and 1st page of Create VM wizard.
FE/Qt: 5748: Another Qt + KDE related issue fixed: Disappearing of machine name field content in Machine settings / General page.
FE/Qt: Global & Machine settings refactoring, part 1 (files & classes renaming).