Merge pull request #1 from filipealva/load-data

Load data
Intro view added.
LPOStartViewController added in intro pageview
Page indicators added
Merge pull request #2 from filipealva/page-intro

Page intro working properly
Atribute 'distance' added in all entities
Merge pull request #3 from filipealva/refresh-models

Atribute 'distance' added in all entities