Switch to using namespaces.

[MeanEYE]

Caracal in parts uses namespaces, but things are pretty chaotic. Before version 0.2 we want to solve this issue and have things organized.

[MeanEYE]

This is already happening gradually. Single milestone can't be assigned.

[MeanEYE]

Progress so far:

• activity_tracker
• articles
• backend
• callbox
• captcha
• collection
• comments
• contact_form
• country_list
• downloads
• faq
• fedex
• feedback
• gallery
• google
• google_checkout
• head_tag
• language_menu
• links
• mailchimp
• mandrill
• news
• ontop
• page_description
• page_info
• page_speed
• paypal
• search
• sendgrid
• shop
• stripe_payment
• tips
• tools
• tranzila
• youtube

Support in checked modules is still partial in attempt to avoid complexity and issues that might arise from it.