[Dune] Flyspray task #24 - Remove Entity::subIndex for all grids

[flyspray at example.com]

THIS IS AN AUTOMATICALLY GENERATED MESSAGE, DO NOT REPLY
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Notice from Dune 

A new Flyspray task has been opened in this category - "Grid"
You are receiving this because you are listed as the category owner.

Task summary: Remove Entity::subIndex for all grids 

You can find more information about this bug at the Flyspray page:
http://example.com/flyspray/index.php?do=details&id=24