Fixing Donation Module
fixing some bugs in inventory management
few cahnges in sale.js, renaming a variable
Posting Donation in Posting Journal
Posting Ok for one donation inventory
Donation in Posting Journal
fixing group invoice, removing select
Merge branch 'dev' into donation
Merge pull request #144 from mbayopanda/donation

Donation dans le posting journal
Merge branch 'dev' of https://github.com/IMA-WorldHealth/bhima into dev
Merge branch 'group_inv' into dev