fix #750
wizard: ask for password earlier during restore
Rewrite accounts and transactions: store pubkeys instead of addresses in order to avoid unnecessary derivations.
add_keypairs: simplification
rm duplicate method getpubkey
get_master_public_key: always return xpub of main account
Merge remote-tracking branch 'upstream/master'
fixes for pending accounts
transaction: separate deserialize and update methods
make seed dialog a bit wider
fix: get_action
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/pooler/electrum-ltc

Conflicts:
	lib/account.py
	lib/transaction.py
	lib/verifier.py