v31.0
multiprocess: Add comments and documentation
interfaces: Add waitForNotifications() to call SyncWithValidationInterfaceQueue()
scripted-diff: [doc] Unify stale copyright headers
ipc mining: break compatibility with existing clients (version bump)
ipc mining: Prevent ``Assertion `m_node.chainman' failed`` errors on early startup
refactor: Remove empty caption from ThreadSafeMessageBox
refactor: interfaces, make 'createTransaction' less error-prone