Rename bip49 to p2wpkhNestedInP2sh where suitable
Rename bip49 to p2wpkhNestedInP2sh where suitable

iancoleman/bip39,Coinomi/bip39,iancoleman/bip39,Coinomi/bip39,iancoleman/bip39,Coinomi/bip39,iancoleman/bip39,iancoleman/bip39