plugins: preferences per account

CMakeLists.txt

src/commoncomponents/PreferenceItemDelegate.qml

src/constant/JamiStrings.qml

src/mainview/components/CallActionBar.qml

src/mainview/components/CallViewContextMenu.qml

src/mainview/components/ChatViewHeader.qml

src/mainview/components/PluginHandlerPicker.qml

src/pluginadapter.cpp

src/pluginadapter.h

src/pluginhandlerlistmodel.cpp

src/pluginhandlerlistmodel.h

src/pluginlistmodel.cpp

src/pluginlistmodel.h

src/pluginlistpreferencemodel.h

src/preferenceitemlistmodel.cpp

src/preferenceitemlistmodel.h

src/qmlregister.cpp

src/settingsview/SettingsView.qml

src/settingsview/components/PluginItemDelegate.qml

src/settingsview/components/PluginListPreferencesView.qml