[MIG] bi_sql_editor : from 15.0 to 16.0

- move menu and action in according view file
- use new sql_request_abstract menu entry for SQL views configuration
- Use sql_request_abstract primary tree view
- Use sql_request_abstract primary form view
- move has_grouped_changed in sql_request_abstract module
- improve demo data
- add default count value to display in pivot, if no pivot_measures are defined ;
- set widget handle to sequence field
- reorder fields in tree view and add optional hide for some fields
- simplify : make field_description field required
- improve : add optional='hide' and 'show' on tree visibility
- replace obsolete base.menu_board_root by spreadsheet_dashboard entries
- update translation

bi_sql_editor/demo/bi_sql_view_demo.xml

@@ -11,10 +11,10 @@ License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
         <field
             name="query"
         ><![CDATA[
-            SELECT *
-            FROM unexisting_table
-            ORDER BY unexisting_field
-            ]]>
+SELECT *
+FROM unexisting_table
+ORDER BY unexisting_field
+]]>
             </field>
     </record>
     <record id="partner_sql_view" model="bi.sql.view">
@@ -23,13 +23,13 @@ License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
         <field
             name="query"
         ><![CDATA[
-            SELECT
-                name as x_name,
-                street as x_street,
-                company_id as x_company_id
-            FROM res_partner
-            ORDER BY name
-            ]]>
+SELECT
+    name as x_name,
+    street as x_street,
+    company_id as x_company_id
+FROM res_partner
+ORDER BY name
+]]>
             </field>
     </record>
     <record id="module_sql_view" model="bi.sql.view">
@@ -39,14 +39,14 @@ License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
         <field
             name="query"
         ><![CDATA[
-            SELECT
-                name as x_name,
-                case
-                    when author ilike '%OpenERP SA%' THEN 'Odoo SA'
-                    when author ilike '%Odoo Community Association (OCA)%' THEN 'OCA'
-                    else 'Undefined Author' END as x_author_type
-            FROM ir_module_module
-            ]]>
+SELECT
+    name as x_name,
+    case
+        when author ilike '%OpenERP SA%' THEN 'Odoo SA'
+        when author ilike '%Odoo Community Association (OCA)%' THEN 'OCA'
+        else 'Undefined Author' END as x_author_type
+FROM ir_module_module
+]]>
             </field>
     </record>
     <function