Version 2.1.0 Using QWebEngine instead of WebKit

WebKit got depricated in Qt 5.4.0 and this release is to account for that. Instead now QWebEngine is used which builds on Blink instead of WebKit. This fixes the problem where you weren't able to mark text on the right part where the HTML to for example copy&paste.

If you run ArchLinux you'll find it in the AUR https://aur.archlinux.org/packages/feedthemonkey/