Added missing logout function
Improved login with redirect to initial url requested
added general session variable for current username storage
Added products views and refactored some files
Show the top 5 products in the home page
Added new properties to productSchema
Added plugins that formats Dates and Numerical values
Added frontend libraries and some extra code
Added new properties to the product schema
Merge pull request #7 from garage-mx/fature/search_engine

Fature/search engine