Merge pull request #509 from jonpither/readme-nses

Updating README with switch to namespace.

Author: bbatsov

README.md

@@ -497,6 +497,7 @@ Keyboard shortcut                    | Description
 <kbd>C-c C-z</kbd> | Switch to the previous Clojure buffer. This complements <kbd>C-c C-z</kbd> used in cider-mode.
 <kbd>C-c M-f</kbd> | Select a function from the current namespace using `ido` and insert into the REPL buffer.
 <kbd>C-c M-i</kbd> | Inspect expression. Will act on expression at point if present.
+<kbd>C-c M-n</kbd> | Select a namespace and switch to it.
 
 
 In the REPL you can also use "shortcut commands" by pressing `,` at the beginning of a REPL line. You'll be presented with a list of commands you can quickly run (like quitting, displaying some info, clearing the REPL, etc). The character used to trigger the shortcuts is configurable via `cider-repl-shortcut-dispatch-char`. Here's how you can change it to `:`: