BlockchainLMDB: Allow two HardFork functions to update DB during block add
BlockchainLMDB: Allow two HardFork functions to update DB during block add

Note that this doesn't yet cause them to be called during block add.

eiabea/bitmonero,eiabea/bitmonero,ranok/bitmonero,eiabea/bitmonero,eiabea/bitmonero,ranok/bitmonero,ranok/bitmonero,ranok/bitmonero,eiabea/bitmonero,ranok/bitmonero,eiabea/bitmonero,ranok/bitmonero