Vault::exportTx() and Vault::importTx()
WIP
Added export and import of transactions to TxActions.
Use session when importing tx.
Fixes to import and export tx actions.
Use Vault object directly in MainWindow::createTx().
Vault::createTx() fix
Update bloom filter in SynchedVault::syncBlocks()
Suspend block updates and resync when opening new vault.
Added MainWindow::refreshAccounts() tracer.
Version of MainWindow::selectAccount() that takes string account name.
Keep track of selected account and refresh accordingly.
SynchedVault - Only attempt to sync blocks if vault is loaded. Otherwise, when done fetching headers the state is synched.
Handle sync issues in SynchedVault when opening or closing a vault.
MainWindow::openVault() should be able to just call synchedVault.openVault() and have the SynchedVault class handle sync state issues.
Made blocktree file exception messages more specific.
Modifications to SynchedVault state changes. Still has issues.
Temporary workaround to deal with starting network with no vault loaded.
WIP
Modified CoinQ::Peer close signal. Removed commented-out code. Reindentation.