committing new version of jekyll doc theme -- 5.0, with some refinements to come with the documentation

_data/glossary.yml

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+jekyll_platform: "Jekyll is a static site generator that builds sites using most modern web technologies."
+
+fractious: "Like a little mischevious child, full of annoying and constant trouble."
+
+gratuitous: "Something that is unwarranted and uncouth, like the social equivalent of a flagrant foul."
+
+haughty: "Proud and flaunting it. Holding your head high up like a snooty, too-good-for-everything rich person."
+
+impertinent: "Someone acting rude and insensitive to others."
+
+intrepid: "Brave and courageous especially in a difficult, dangerous situation."