Improving the readme
Adding theming
Adding some comments in translation
Adding licensing
Merge pull request #201 from ciudadanointeligente/documentation

Documentation
A writeit instance can be related to many elections
A popit Instance can be related to more than one election
Merge pull request #202 from ciudadanointeligente/writeitinstance_to_multiple_elections

Writeitinstance to multiple elections
Merge pull request #203 from ciudadanointeligente/master

One election can have more than one writeit instance