- it is now possible to close page search with Esc, it is no longer
needed to click on close button.
- shortcuts for reload, stop, next, back are available everytime.
- performance of cookie manager is not ideal yet, but it is much better
than it was before.
- fixed showing search engine name in locationbar placeholder text.
- updated ca-certs bundle by latest Debian update
- moved keypressevent handler from WebView to QupZila to make this
actions global
- added keypress actions for special keys on keyboard
