Revert "Merge branch 'ai2657' of git://github.com/caioformiga/noosfero-ecosol into cirandas"

This reverts commit 88587aee19d3e4c2f0f4a1954a44556ec447169c, reversing
changes made to 1862427a00e28a0a77193b4430fa5c59fa6bdb11.
Revert "Revert "Merge branch 'ai2657' of git://github.com/caioformiga/noosfero-ecosol into cirandas""

This reverts commit 2bb18ccf860c8daab5e2af40be858e95378210e0.
Fixing role_assignment_sweeper due to distribution plugin hotspot