add addButton to model
add addButton to model

jenswellmeyer/cordova-plugin-inappbrowser-fork,jenswellmeyer/cordova-plugin-inappbrowser-fork,jenswellmeyer/cordova-plugin-inappbrowser-fork,jenswellmeyer/cordova-plugin-inappbrowser-fork,jenswellmeyer/cordova-plugin-inappbrowser-fork