Following ESC decision, uno commands InsertRows / InsertColumns
must be added to the current one InsertRowsBefore /
InsertColumnsBefore and InsertRowsAfter / InsertColumnsAfter.
This will guarantee ascending compatibility while making more
explicit the behaviour thanks to the new commands.
For Calc, these commands are equivalent to InsertxxxBefore

Change-Id: I3aada5c9b03c504e6728c33cad2b2d569df1d60a
Reviewed-on: https://gerrit.libreoffice.org/16099Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Philippe Jung <phil.jung@free.fr>