Modify groups rake file for A1 and A3
Modify groups rake file for A1 and A3

A1 and A3 previously did not have individual groups for the assignment,
this is now the case. Also, the environment variable for A1 group amount
has now been removed.

benjaminvialle/Markus,MarkUsProject/Markus,MarkUsProject/Markus,benjaminvialle/Markus,MarkUsProject/Markus,benjaminvialle/Markus,MarkUsProject/Markus,MarkUsProject/Markus,benjaminvialle/Markus,MarkUsProject/Markus,MarkUsProject/Markus,benjaminvialle/Markus,benjaminvialle/Markus,MarkUsProject/Markus,benjaminvialle/Markus