Improved margins es_ES translation
Fixed bug #807: Margins modules with orders2invoice does not respect cost price
Also, removed duplicated requires in orderstoinvoice.php
Converted indentation to tabs
Updated changelog
Merge pull request #831 from marcosgdf/translations

Improved margins module es_ES translation
Merge pull request #830 from marcosgdf/bug-807

Fixed bug #807: Margins modules with orders2invoice does not respect cost price
Improved margins ca_ES translation
Improved es_ES holidays translations
Improved holidays module translations
Merge pull request #834 from marcosgdf/translations-3.3

Improved es_ES holidays translations
Task Project Extrafield : Forget to add to index tables
Fix [ bug #821 ] 'f.facnumber' in accountancy
[ task #798 ] Add range limit date on product/services as it is done on
order and invoice
Fix : Add service date limit transfert from propal to order
Fix: Bad link to all proposals into Third party card if customer is
prospect
Qual: Update copyright files.
Qual: Removed not used library.
Look: Uniformize css.
Fix: Correct css
Fix: missing current entity record
Fix: missing current entity record
Fix: missing quote