Extended bob() to admin.products. See commit desc

* core/class.database.php : Added an helper function to debug PHP in
Javascript Console (http://goo.gl/UqaQzm)
* core/class.products.php : added desc_processed to Add and EditProduct
functions.
* views/admin.contents.php : edited textarea class and added
text_processed class to the hidden input that gets populated with the
processed html content.
* views/admin.products.php : Added div.preview and the needed to make
bob works.
* views/css* : A few edits and the addition of #page.editorView styles.
* views/js/main.js : Only run livePreview and bob on pages that contains
textareas (can be improved). Coded a function to switch view (move the
preview div next to the textarea and increase teh page width); still in
development.
* views/view.details.php : change $pord['description'] to
$prod['desc_processed'].

Notes:
Renamed views/css/less/_classes adnd normalize in __classes and
__normalize.