Fix planning in AltIndex to return NO_PLAN proper, rather than an object whose proto is NO_PLAN if all subPlans return NO_PLAN.
Fix planning in AltIndex to return NO_PLAN proper, rather than an object whose proto is NO_PLAN if all subPlans return NO_PLAN.

foam-framework/foam,foam-framework/foam,jlhughes/foam,jacksonic/foam,foam-framework/foam,jlhughes/foam,jacksonic/foam,osric-the-knight/foam,mdittmer/foam,jacksonic/foam,jlhughes/foam,osric-the-knight/foam,jacksonic/foam,osric-the-knight/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,mdittmer/foam,osric-the-knight/foam,mdittmer/foam,mdittmer/foam