empty node module
faces module with node.js
documentation: arq schema loaded from <Borrador_arquitectura.md>
State of the art (documentation): moved every document related to the state of the art to one master document.

The index of this document is:

> 1. [Estado del arte](#state-of-the-art)</>
>   1.1. [Abstracto](#abstract)</br>
>   1.2. [Introducción](#intro)</br>
>   1.3. [Análisis de otros proyectos](#other-projects-analysis)</br>
>     1.3.1. [Twittomender](#twittomender)</br>
>     1.3.2. [Twitter properties analysis](#twitter-properties-analysis)</br>
>     1.3.3. [Buzzer](#buzzer)</br>
>     1.3.4. [Influential users](#influential-users)</br>
>     1.3.5. [Homophily in social networks](#homophily-in-social-networks)</br>
>     1.3.6. [Conclusiones](#other-projects-conclutions)</br>
>   1.4. [Clasificación de la información](#info-clasification) </br>
>     1.4.1. [Información extraíble de tiwtter](#info-from-twitter)</br>
>     1.4.2. [Niveles de clasificación de la información](#info-levels-definition)</br>
>       1.4.2.1. [Clasificación categórica](#info-category)</br>
>       1.4.2.2. [Clasificación por nivel de procesamiento](#info-level-of-prepoces)</br>
>       1.4.2.3. [Clasificación por modelo](#info-model-definition)</br>
>     1.4.3. [Clasificación de la información extraíble de Twitter](#info-last-clasification)</br>
>   1.5. [Análisis de aplicaciones relacionadas](#related-apps-analysis)</br>
>     1.5.1. [SecondSync](#secondsync)
>     1.5.2. [Bluefin Labs](#bluefin-labs)
>     1.5.3. [Brand Riders](#brand-riders)
>     1.5.4. [Follower Wonk](#follower-wonk)
Documentation: moved two parragraphs related with arq to file <borrador_arquitectura>; those parragraphs were in state_of_the_art folder
Documentatio: at the end of <estado_del_arte.md> there is a list with not-clasificated links; 2 links added to that list
deleted docs/state_of_the_art/README.md
deleted docs/state_of_the_art/desglose_api.md
deleted docs/state_of_the_art/state_of_the_art_NEW.md
deleted docs/state_of_the_art/resumen_papers.md
deleted docs/state_of_the_art/clasificacion_informacion.md
State of the art: Solve some visual tweaks in <estado_del_arte.md> such as no-closed <a> tags, index or header declarations
Merge branch 'dev' of github.com:raulmarcosl/Itafy into dev