ReadODS, read ods files written by Excel and Whole document formating by Calc

Excel creates empty repeated rows and cells when writing ODS files which cause TXM to stall when reading the table.

see https://github.com/tdf/odftoolkit/issues/25

see https://github.com/tdf/odftoolkit/issues/285

Solution

Detect the last empty&repeated cells of rows and the last empty&repeated rows of the sheet

Validation test

• start an import with the metadata.ods file
• TXM should not stall anymore