removed CSA from master solvers/__init__
removed CSA from master solvers/__init__

chrinide/optunity,chrinide/optunity,MarkAWard/optunity,claesenm/optunity,chrinide/optunity,claesenm/optunity,chrinide/optunity,MarkAWard/optunity,claesenm/optunity,MarkAWard/optunity,claesenm/optunity,MarkAWard/optunity