Merge pull request #1 from foudfou/master

LaBanquePostale fix
La Banque Postale: Add images hash for Chrome.

Backport also Javascript so it's compatible with Chrome (does not support Javascript 1.8.5 features ?)
Update BNP Paribas header
La Banque Postale: Add missing { }
replace build.sh/sprockets by Makefile and basic preprocessor