Message passing through byte[] instead of string
Added .dlls to gitignore

Moreover, added missing packages.config file
ScrollToBottom added to LogPage and VariablesView

Every message written to TextBlock causes it's scroll to bottom.
Moreover, OnErrorOccured and OnWarningOccured writes messages to
TextBlock through Dispatcher.Invoke().
SettingsForm default value for ipAddress changed
API::OnSnapshotChanged first replaces snapshot

OnSnapshotChanged causes snapshot replacement and AFTERWARDS further
notifications.
Ok button in SettingsForm became default

Form acceptation is performed through IsDefault mechanism.