Merge pull request #2 from benjello/master

fix typo and transitional bugs
.gitignore is now working
Update simulation.py
Update utils.py
Merge branch 'master' of https://github.com/openfisca/ga

Conflicts:
	src/lib/cohorte.py
Merge branch 'master' of https://github.com/openfisca/ga

Conflicts:
	src/lib/simulation.py
	src/lib/utils.py
add an __init__.py
additional test
modification 24/04/2013

expanding cohorte .py and test_ga
new try to sync
Merge branch 'master' of https://github.com/jsantoul/ga

Conflicts:
	src/lib/cohorte.py
	src/scripts/test_ga.py
Merge pull request #7 from jsantoul/master

working on test_ga tax_proj
what has been done wednesday 24/04/2013.

Files are heavily bugged with unexplained syntax errors.
Merge pull request #8 from jsantoul/master

Modifications of test_ga and cohorts.py
Some work on test_ga and cohorts.py.

test_ga working as intending for now. More tests to be added.
designing test for aggregated tax projection.

The method is not working as expected.
Merge pull request #9 from jsantoul/master

Debuggin test_ga and cohorte.py.
Fixing tax proj aggregate method