IE do our own parsing to preserve whitespace, fixes #682
Fix #684 "xxforms:if / xxforms:while don't work anymore"
Fix whitespace after label
Label dialogs "Foo" not  "Edit Foo"
Fix #685 "List of languages is hard to use"

- determine approximate list of top languages
- split languages into 2 groups
- sort them by English name
- also make button primary
Remove unneeded classes
Improved fix for #607