Updated plugins and added vim-markdown

sources_non_forked/vim-markdown/test/indent.md

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+1. Confirm indent with new line insert after list items
+
+'\' is not list item.
+\ foo
+
+If only space and three '*' or '-' character are in the line,
+this line means horizontal item.
+If current line is below horizontal item, it need not to indent.
+Following example is horizontal item.
+
+---
+***
+- - -
+* * *
+
+And list item must be specified space after [*-+].
+Following example is list item.
+
+* foo
+- bar
++ baz
+
+But following example is not list item.
+*foo
+-bar
++baz