Changelog from version 15.11 to 16.1

[rvm]

Version 16.1:

(2016-01-07)
* (mpv) Allow screenshots to work with hardware acceleration enabled.

(2016-01-06)
* Add a shortcut for the add_bookmark action.
* Add icons for the bookmarks actions.

(2015-12-29)
* (Qt5) Try to fix a problem when exiting from fullscreen and the option
to stay on top is set to "while playing".

(2015-12-23)
* (Experimental) Simplify changing style and stylesheet.

(2015-12-22)
* (Screenshots) Keep compatibility with older versions of mplayer.

(2015-12-18)
* Fix for Youtube.

(2015-12-16)
* (mpv) If the option --screenshot-directory is not available change
the working directory so that screenshots work.

(2015-12-14)
* Add option 'Prevent window to get outside of screen' in
Preferences -> Interface.

(2015-12-12)
* Update stayontop after entering and exiting the fullscreen mode.

(2015-12-04)
* Don't auto center the window if there's no video.
* (mpv) Fix playback with -v

(2015-12-03)
* Add the option 'Pass the -playlist option to MPlayer' to
Preferences -> Advanced.

(2015-11-29)
* Simplify the code for previous and next chapter.
* Enable bookmarks.