Translating strings

pt and es
(ActionItem2617)
Fixed bug when sending email to community members

(ActionItem2618)
Fixing the ShoppingCartPlugin

This commit, with the participation of Lucas Melo, does:

* Make action list from ShoppingCartPluginController Fault-tolerant.
* Create a basic logging system and replace debug alerts.
* Limit the cart size to protect against cookie limit.
* Add more loading style possibilities.
* Add a little fault-tolerance to the process of loading the carts items.
* Force colorbox to "Shopping checkout" button.
* Add L10n to Cart JS interaction.
Making shopping cart disabled on the enterprise by default
Fixing pre-population on add members
ShoppingCartPlugin do not worry about page unload
Merge commit 'refs/merge-requests/288' of git://gitorious.org/noosfero/noosfero into merge-requests/288
Merge commit 'refs/merge-requests/290' of git://gitorious.org/noosfero/noosfero into merge-requests/290
Merge commit 'refs/merge-requests/289' of git://gitorious.org/noosfero/noosfero into merge-requests/289
Apply admin/users_controller::index() optimization to stable

ActionItem2217
Merge commit 'refs/merge-requests/297' of git://gitorious.org/noosfero/noosfero into merge-requests/297
Adding missing require to csv
Escaping title html in block_helper::block_title()

ActionItem2632
Improving colorbox window size defaults
Fixing escapes due to debian security release 2.3.5-1.2+squeeze8

(ActionItem2630)
Merge branch 'html-escape' into stable
[shopping-cart] Fixing double colorbox open and improving requests

We improved some extra requests on the shopping cart, like: visibility
and list actions. They are now being retrieved on the get action all
together.

Also forbidding the user to request more the one action on the cart
simultaneously because the cart in the cookie doesn't supports it.
(We need the session stored in the database!)
[shopping-cart] Ajusting l10n and blocking simultaneous actions
Merge branch 'merge-requests/290' into stable
Merge commit 'refs/merge-requests/299' of git://gitorious.org/noosfero/noosfero into merge-requests/299