Gtk: Fix setting FileDialog.FileName
TableLayout: Ensure we've created the table after OnLoad so that children get created if populated through the Load or PreLoad events.
Wpf: Prevent controls from resizing when user enters text more cleanly (without subclassing), fixes PasswordBox resizing
Wpf: Prevent NRE with TableLayout if it wasn't created properly for some reason.
Wpf/WinForms: Fix WebView cut/copy/paste/select all keyboard shortcuts. Fixes #247
Mac: Fix Drawable.Update()
Wpf: TableLayout should update child sizes each time layout is performed, not just when size changes.
Update version to 2.0.5
Merge branch 'hotfix/2.0.5'