v1.2: Adapt pocket manager configuration to webengineview and allow to be c…

Adapting the pocketmanager pocket login to allow processing authorization in webengineview (size and offtherecord browsing).
Adding close button to pocketmanager configuration.

v1.1

This update adds webengineview so blink as default engine instead of Webkit. It's a big change so Take care when using as it can make plasmashell unusable as of issue https://bugs.kde.org/show_bug.cgi?id=380280 . It's working as it should with qt5.9 from kde neon testing.

v1.0.1

• Polished the reader.
• Add open in browser button in article view.
• Add reader progress bar.

v1.0

Fixes #1 , Respond to click along with existent swipeup gesture