refactoring importer and data structures
twitter auth, fixes #10
fixes #11
Fix altezze
twitter configuration
refactoring importer
installation fixed and explained :P
typo on sudo command
Merge pull request #15 from gaspa/improved_installation

Improved installation
merge pull request, twitter auth implementation + configuration
comments
sample files
customizing harvest.js to track twitantonio
tinkering with APIs
tinkering with twitter API
splitting into two files: harvest and missing tracker
fixes #21, country converted to array structure
fixes #21, search inside array
fixes #21, mep_country converted to array structure
aggiunto skeleton del widget.

TODO: invece di un autocomplete per ogni campo, bisognerebbe fare in modo che digitando su uno qualsiasi dei campi si ottenesse una unica lista ridotta. Bisogna capire come visualizzare i dati (devono essere ocmpatti)