Add new preference to select preferred use for Internal Orders and Deliveries

Fix CategoryTool_constructCategoryTableToExport. Sometimes categories were wrongly sorted and incorrect category definitions were exported.

Use real files instead

Patches are closely related with software.

Also excludes whitespace-only (base) categories & end of lines.

Title and short-title in Category should be translated in erp5_content

Parallel invocations of make kills perl-XML-LibXML on really fast
machines.

have to restart processes manually

Proxify it against my_view_mode_tales_expression (It use External Validator to check  Tales expression Syntax)

remove default tales expression of field because assertion that a TALES expression starts always with "python:" is wrong.

  http://kb.askmonty.org/v/mariadb-526-changelog
* add --disable-static because we don't need.

Avoid implicit acquisition to access portal_catalog

It is better to raise loudly by default in case if upgrader signature is wrong.

we use public repository

Thanks to this no inplace code changes are required to activate product
functionality.