Adds a structure of recipe frontend.

Create a structure html to recipe.
Fixes a little bug, a entity name was wrong.
Adds colors and visual structure to frontend.

Adds colors and visual structure to fronten, with a dummy image and dummies texts.
Adds a DBaccess class

Adds a class to manage conections to the database
Adds config file

Adds config file with DB config conections
Adds a class to securize parameters received

The new class have a method to compare parameters with a regular expresion.
Modifies name to DBaccess methods.

Modifies name to DBaccess methods to homogenize language
Add the first approach to use case getRecipe

Now get a basic parameters to Recipe, these parameters are on RECIPE
table in database
Update config.php
Adds getRecipe to the API method.

Now getRecipe returns a JSON recipe with ingredients.
Merge branch 'backend' of https://github.com/josecriane/cookingcheats into backend