erp5_tabular_data_tool: Add portal_tabular (Tabular Data Tool)

Tabular Data Tool is a Tool to handle tabular data (2-dimentional table data) in erp5. The tabular data type is currently a plain pandas DataFrame. It is intended to use with ERP5 Reports to create spread sheets (ODS/Excel).

With Tabular Data Tool, we can do those things on reporting:

• transform dict-list, portal-catalog-result and document-list into a tabular data
• joining/grouping/sorting the tabular data
• using vectorizing function to optimise time consuming reports