Add a rake task for inserting a pillar
Add a rake task for inserting a pillar

Due to redundancy, argument validation of velum:create_user was
abstracted out to a separate function.

vitoravelino/velum,kubic-project/velum,ereslibre/velum,kubic-project/velum,MaximilianMeister/velum,vitoravelino/velum,ereslibre/velum,kubic-project/velum,vitoravelino/velum,MaximilianMeister/velum,kubic-project/velum,vitoravelino/velum,ereslibre/velum,MaximilianMeister/velum,ereslibre/velum,MaximilianMeister/velum