Remove variables from formulas parameters to be able to call the same variable at different periods. Rename to Biryani (without 1).
Move biryani to test extra require
Rename 'al' call (was renamed before)
Rework reforms, move Landais Piketty Saez reform into external git repo
Remove consumers, variables_name, set_depencies...
Port plfrss2014 reform to new variables syntax
Remove extract_variables_name call
Wording
Fix end date
Move unit test into reforms dir
Update plfrss2014 to new class-based syntax with metaclasses inheritance
Remove erroneous trailing comma.
Cleaning
Merge branch 'master' into v0.5dev

Conflicts:
	openfisca_france/model/lgtm.py
	openfisca_france/model/minima_sociaux/rsa.py
Tentative to fix test_allegement_fillon
Various fixes
Remove unneeded parentheses.
Use unicode strings in enumerations.
Merge remote-tracking branch 'openfisca/v0.5dev' into v0.5dev
Input variables for titre restaurant