Update runtime files.  Make matchparen plugin backwards compatible.
Add json filetype.
diff --git a/runtime/indent/json.vim b/runtime/indent/json.vim
new file mode 100644
index 0000000..d50112b
--- /dev/null
+++ b/runtime/indent/json.vim
@@ -0,0 +1,13 @@
+" Vim indent file
+" Language:		JSON
+" Maintainer:		David Barnett <daviebdawg+vim@gmail.com>
+" Last Change:		2014 Jul 16
+
+if exists('b:did_indent')
+   finish
+endif
+
+" JSON is a subset of JavaScript. JavaScript indenting should work fine.
+runtime! indent/javascript.vim
+
+let b:did_indent = 1