encryption_ng_otr: typo fixed

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: removed unneccessary class

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: use window title to pass tab name from custom account widgets

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: created AccountConfigurationWidgetTabAdapter to auto add widgets as tabs

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
encryption_ng_otr: retreive policy per account

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
encryption_ng_otr: use Piding-like settings for policy

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
encryption_ng_otr: moved storing/loading policy to separate class

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gadu: fix usage of ModalConfigurationWidget API

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
jabber: fix usage of ModalConfigurationWidget API

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: add ConfigurationValueStateNotification for configuration widgets

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: added SimpleConfigurationValueStateNotifier

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: replaced ModalConfigurationWidgetState with ConfigurationValueState

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: use ConfigurationValueStateNotifier in ModalConfigurationWidget

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: add CompositeConfigurationValueStateNotifier

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: use CompositeConfigurationValueStateNotifier in AccountEditWidget
gui: use composite state notifier in AccountEditWidget

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
gui: removed logico in edit account widgets
encryption_ng_otr: implemented is_logged_in method

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
protocols: added maxMessageLength() to chatService()

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>
encryption_ng_otr: implemented max_message_size method

Signed-off-by: Rafał Malinowski <rafal.przemyslaw.malinowski@gmail.com>