Log Message:
vimb: Update to 3.5.0

Changes:
3.5.0
=====
Vimb 3.5.0 is out now with following changes.

Added
-----
* Add external download command #543 #348.
* Added ephemeral mode by new option `--incognito` #562.

Changed
-------
* Hinting shows the current focused elements URI in the statusbar.
* Show error if printing with `:hardcopy` fails #564.

Fixed
-----
* Fixed compilation if source is not in a git repo (Thanks to Patrick Steinhardt).
* Fixed partial hidden hint labels on top of screen.
* Fix segfault on open in new tabe from context menu #556.
* Fix "... (null)" shown in title during url sanitization.

Removed
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* Setting `private-browsing` was removed in favor of `--incognito` option.

Thanks to the contributors for their work!