Print full backtrace when a wallet extension fails to load.
BIP38: Fix test using supplementary characters in the passphrase.
use List interface instead of LinkedList implementation
Close connections in PostgresFullPrunedBlockStore. same as: b6f61e8850acabb38618baa05b4ca2edd9391a65
Fix Script.getNumberOfBytesRequiredToSpend for P2SH

It is a size of redeem script that should be taken into account, not a
size of scriptPubKey
Upgrade to Bouncy/Spongy Castle 1.51
Switch to accelerated secp256k1: huge speed improvements.
Re-allow Android devs to override the mnemonic code instance.
Merge remote-tracking branch 'upstream/master'