Added rcirc-alertify recipe

This is yet another rcirc notification hack, using alert.el for sending notifications.


Make output:

```sh
fgallina@tata ~/Code/Projects/melpa ±rcirc-alertify⚡ » make recipes/rcirc-alertify
 • Building recipe rcirc-alertify ...
/usr/bin/timeout -k 60 600 emacs --no-site-file --batch -l package-build.el --eval "(let ((package-build-stable nil) (package-build-archive-dir (expand-file-name \"./packages\" pb/this-dir))) (package-build-archive 'rcirc-alertify))"

;;; rcirc-alertify

Fetcher: github
Source: fgallina/rcirc-alertify

Updating /home/fgallina/Code/Projects/melpa/working/rcirc-alertify/
Loading vc-git...
Saving file /home/fgallina/Code/Projects/melpa/packages/rcirc-alertify-20140406.2219.el...
Wrote /home/fgallina/Code/Projects/melpa/packages/rcirc-alertify-20140406.2219.el
Wrote /home/fgallina/Code/Projects/melpa/packages/rcirc-alertify-readme.txt
File: /home/fgallina/Code/Projects/melpa/packages/rcirc-alertify-20140406.2219.entry
Built in 0.114s, finished at Sun Apr  6 22:19:53 2014
 ✓ Wrote 20K -rw-rw-r-- 1 fgallina fgallina 8,5K abr  6 22:16 ./packages/rcirc-alertify-20140406.2048.el
12K -rw-rw-r-- 1 fgallina fgallina  147 abr  6 22:16 ./packages/rcirc-alertify-20140406.2048.entry
20K -rw-rw-r-- 1 fgallina fgallina 8,5K abr  6 22:19 ./packages/rcirc-alertify-20140406.2219.el
12K -rw-rw-r-- 1 fgallina fgallina  147 abr  6 22:19 ./packages/rcirc-alertify-20140406.2219.entry
12K -rw-rw-r-- 1 fgallina fgallina 1,4K abr  6 22:19 ./packages/rcirc-alertify-readme.txt 
 Sleeping for 0 ...
sleep 0
```

Compile log for `package-install-file`:

```sh
Compiling no file at Sun Apr  6 22:21:11 2014
Leaving directory `/home/fgallina/.emacs.d/elpa/rcirc-alertify-20140406.2048'

Compiling file /home/fgallina/.emacs.d/elpa/rcirc-alertify-20140406.2048/rcirc-alertify-autoloads.el at Sun Apr  6 22:21:11 2014
Entering directory `/home/fgallina/.emacs.d/elpa/rcirc-alertify-20140406.2048/'

Compiling file /home/fgallina/.emacs.d/elpa/rcirc-alertify-20140406.2048/rcirc-alertify-pkg.el at Sun Apr  6 22:21:11 2014

Compiling file /home/fgallina/.emacs.d/elpa/rcirc-alertify-20140406.2048/rcirc-alertify.el at Sun Apr  6 22:21:12 2014
```