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Test deleting all values when a multi field is updated inline

This test has a very limited scope: only the save method, and it will catch
very few errors in the inline editor. For that,
\action_plug

Test deleting all values when a multi field is updated inline

This test has a very limited scope: only the save method, and it will catch
very few errors in the inline editor. For that,
\action_plugin_struct_inline must be refactored into more manageable
public methods.

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refactoring names

To avoid confusion with the Lookup type, the three different ways of
accessing a schema have now the following names:

* page data - for revisioned struct data attached to a page
*

refactoring names

To avoid confusion with the Lookup type, the three different ways of
accessing a schema have now the following names:

* page data - for revisioned struct data attached to a page
* serial data - for an unrevisioned list of struct data attached to a
page
* global data - for an unrevisioned list of struct data not attached to
any page (formaly known as lookup schema)

The editor mechanism used for serial and global data is now called
AggregationEditor

Some reference to lookup schemas is still in the bureaucracy support
part.

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Introduce new factory methods for data access and deprecate old ones

Consistent data type check in mock AccessTable

The check was not updated after the mocked class was changed to handle data types instead of schema types

Some fixme cleanups

Start unifying schema types

Schemas per se are type agnostic, isLookup property is removed. Data is stored and accessed differently based on how it is entered and retrieved.

The crucial change is i

Start unifying schema types

Schemas per se are type agnostic, isLookup property is removed. Data is stored and accessed differently based on how it is entered and retrieved.

The crucial change is introduction of the composite key of pid and rid. Previous page data utilizes rid = 0 to differentiate itself. Other types, notably lookup, have autoincrementing rid.

Database migration is not implemented yet.

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fixed tests

renamed SchemaData and SchemaLookupData

This is to reflect that they no longer inherit from Schema

fix all the tests for the recent change regarding SchemaData

I'm not to happy with the SchemaDataNoDB class and its use
SchemaDataSQL.test - it seems hacky, but works for now.