forgot to replace a variable
Extensive changes to form handling

* Object.formset is now a method, in order to pass the parent in
* Require formalchemy 1.5 for FieldSet.reconfigure
* Replace Object*.parent properties with __getattr__ and _alias
  as that is also used by formset
JSONify proxied objects
Test for, and fix, auto-escaping.
fix CDATA
Add __html__ to rendered content

so as not to destroy the Markup() wrapper
Fix showing the template list
Fix copying data

Deleting also, but that's not tested yet
Test escaping
Fix the Template editor
readonly display in the edit form
remove zuko stuff, logging fixups
site recursion: only chop off at or above current site

This fixes problems looking at sub-sites with the tree viewer
Moved translators' Markup setting

misplaced
minor cleanup
Implement my own render_template
Drop debugging template search printout

that stuff now works
Use our own render_template()

and hook it into Flask
Fix pybble.utils.show to print Unicode characters instead of \u representations

This is a stopgap fix; a proper solution would use the regex module and
Unicode classes.
removed dead code