Adding space aggregation#27

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diliphridya wants to merge 8 commits intogridap:masterfrom

diliphridya:new_aggregation

Commits on Aug 31, 2020

Adding space_aggregation
diliphridya
committed

Commits on Sep 1, 2020

Space Aggregation Filter Test
diliphridya
committed

Commits on Sep 2, 2020

Adding filter in color_aggregates
diliphridya
committed