v0.14.88: v0.14.88

@newsroom.writer: new article, Every hour is twenty years: the human behind Know the Reach, Silvio Switha, a musician, singer and producer whose twenty years shaped every choice in the song and its video; AI changed the speed, not the vision. Videos from YouTube now play on a click (admin/build/youtube_embed.py, the !youtube line): our own poster, nothing fetched from YouTube until the reader presses play; Know the Reach gets the player too.