Fix byte-compilation error (and a typo, too)

```
Compiling file …/nrepl-20130728.710/nrepl.el at Mon Jul 29 12:47:58 2013

In nrepl-home-prefix-adjustment:
nrepl.el:461:38:Warning: malformed cond form: `resource'
nrepl.el:470:23:Error: Wrong type argument: listp, resource
```
FIX: update URL to reflect repo move to clojure-emacs
Merge pull request #347 from MerelyAPseudonym/patch-1

Fix byte-compilation error (and a typo, too)
Small docstring fixes.

* nrepl.el (nrepl-connection-buffer-name, nrepl-buffer-ns)
(nrepl-tab-command, nrepl-macroexpand-expr-inplace)
(nrepl-wrap-history, nrepl-history-read-filename)
(nrepl-history-load, nrepl-history-save, nrepl-log-events)
(nrepl-send-string-sync, nrepl-send-input, nrepl-return)
(nrepl-recenter-if-needed, nrepl-find-and-clear-repl-buffer)
(nrepl-find-or-create-repl-buffer, nrepl-ido-form)
(nrepl-load-file-core, nrepl-load-file)
(nrepl-possibly-disable-on-existing-clojure-buffers)
(nrepl-close-ancilliary-buffers, nrepl-default-port): Small
docstring fixes.
nrepl.el (nrepl-send-string-sync): Fix typo

* nrepl.el (nrepl-send-string-sync): Fix typo.

Thanks to Bozhidar Batsov for spotting it.
Merge pull request #348 from bzg/master

Small docstring fixes.