fix spacing for indent
Merge pull request #758 from wozz/spacing-fix

fix spacing for indent
simplified dialog for new file name
missing import
always enable qr scanner plugin
wizard restore: abort if wallet is None
display dates in invoices tab
fix: store key of invoices for retrieval
show txid in invoice details
fix: update commands with new transaction constructors
updates for gtk gui
move master_private_keys and master_public_keys to NewWallet
load imported_keys outside of load_accounts
load_transactions
rm get_address_flags (no longer used)
rm dead code
fix get_pubkeys call
get_seed -> check_password
fix: check if wallet has master_private_keys