Fixed:
* Flickering when opening/closing tabs (as soon as more than
10 are open) on some pages.
* Improved logging for PDF.js resources which fail to load.
* Crash when closing a tab after doing a search.
* Tabs appearing when hidden after e.g. closing tabs.
OBS-URL: https://build.opensuse.org/package/show/network/qutebrowser?expand=0&rev=55
