No need to make several copies
refs #3698
Shared pointers for Materials
MooseSharedPointer for Dampers
MooseSharedPointer for DiracKernels
MooseSharedPointer for DGKernels
MooseSharedPointer for Splits
MooseSharedPointer for TimeIntegrator
MooseSharedPointer for Kernels
MooseSharedPointer for BCs
Merge pull request #3699 from permcody/shared_ptr_3698

Shared ptr in Warehouses
Merge commit 'cecd403ab93881b41fd4ca827a999977775ccc35'