Moved store_t quite convincingly to store.cc, with some RSIs.
Moved sorting_t outside of the ql namespace, because that is what everybody wanted.
Removed stupid anti-typedefs of transform_variant_t and terminal_variant_t.
Denamespaced backfill_atom_t.
Moved scale_down_distribution decl to protocol.hpp.
Removed spurious typedef.
Moved store_view_t to store_view.hpp.
Removed insane RSI.
Made btree_store_t::protocol_read.
Made btree_store_t::protocol_write.
Removed the store_t type, combined it with btree_store_t, which is renamed to store_t.
Merge branch 'next' into sam_803_store
Merge branch 'next' into sam_803_store
Moved btree_store.hpp to store.hpp and dropped some of its inclusions.
Added acomment.
Merge branch 'sam_803_store' into next