Update index.php

add piechart on society categories
Update index.php
Updated Puphpet vagrant box to latest version
Ignored auto generated RSA keys
Fixed problems with shared folders in Mac. Won't affect other OS
Missing translation in export module
Added missing translations
Missing translation of transaction types in releve detail
Corrected duplicate translation keys
Removed translations that should be made in Transifex
Fixed problem with non existing variable $db and removed not used variable $conf
Clean code.
Fix: strict
Try to remove a warning
Improved usability of admin/compta.php page
Added labels for the "Other options" inputs
Added missing translation keys
Moved the info about hidden constants DONOTSEARCH_ANYWHERE to a tooltip
Improved documentation of Societe and started type hinting variables
Typehinting $user variable