Modifiying .gitgnore
Working on erf
Merge branch 'dev' of https://github.com/openfisca/openfisca into dev
Merge branch 'dev' of https://github.com/openfisca/openfisca into dev
Renaming totaux.xml and work for Cecilia

The revenue decomposition trees are now in the decompositions folder of
the countries
The revenues types for graphics are no more in utils but in the __init__
of the country
graph, simulation are modified accordingly
Merge pull request #188 from benjello/dev

Script for cecilia
Merge branch 'dev' of https://github.com/openfisca/openfisca into dev