new module: get_url

get module (with new module-magic-code!)
	Usage: ansible -m get -a "url=http://xxxxxxx  dest=fileordirctory"
	all cleanups as per @mpdehaan's suggestions
	add daisychain
	added example playbook (get_url.yml) with URLencode example

examples/playbooks/get_url.yml

@@ -0,0 +1,16 @@
+---
+- hosts: webservers
+  vars:
+  - jquery_directory: /var/www/html/javascript
+  - person: 'Susie%20Smith'
+  tasks:
+  - name: Create directory for jQuery
+    action: file dest=${jquery_directory} state=directory mode=0755
+  - name: Grab a bunch of jQuery stuff
+    action: get_url url=http://code.jquery.com/$item  dest=${jquery_directory} mode=0444
+    with_items:
+    - jquery.min.js
+    - mobile/latest/jquery.mobile.min.js
+    - ui/jquery-ui-git.css
+  - name: Pass urlencoded name to CGI
+    action: get_url url=http://example.com/name.cgi?name='${person}' dest=/tmp/test