minor fixes to Settings dialog

* rationalise tab order
* now impossible to tab to invisible controls on login dialog
* make login dialog appear in taskbar
adding edit summaries to local wiki data

* also fixing an entry in en.wikipedia.wiki
* other minor stuff
new preview feature; new mini-toolbar

* also resizes to fit localized text and tab order rationalization
localization falls back to English now, not key

* also fix detectedDesc handling of piped wikilinks
* also disable some form controls initially (should have been in previous commit)
updates for 1.0.5