Merge pull request #42 from AitorMedrano/development

ES and CA translations for 2.7
Fix reading of lang directory

The previous code didn't support dots (.) in the path of the Aixada
instance, leading to screwed strpos() results.

Fixes issue #36
foo
fix #43 product edit form reset
changelog and licence change
changelog v2.7
v2.7
v2.7
product brutto price fix
iva/rev tax select fix
various import bug fixes
provider responsible HU select fix
sql get_stock_value
Update ca-va.php

Some catalan corrections
Update ca-va.php

HU per UF en català
Update ca-va.php

proveïdor
Merge pull request #46 from LeCommandant/patch-1

Update ca-va.php
all queries updated
Merge branch 'master' of github.com:jmueller17/Aixada
reponsible uf check fix