fixup c62c1460 undefined variable

that will raise an exception with Python 2.7.10.

This panel will get dynamic content depending of the element which requested it to be opened (like listbox domain tree, relation field, or whatever).

Global erp5 search should be a full page search (like in a module)

Add support to property array in erp5storage (like listbox_uid:list)

This is too inconvenient when resizing browser size, it requires in
some cases to do taller or shorter many times only because we resized
the browser

For Python3 compatibility, IPython introduced IPython.utils.ulinecache thus
update ipdb-specific monkey patch accordingly.