Translations:Quantity/9/it

Le specifiche dettagliate si trovano nel codice:
 * Quantity lexer: http://sourceforge.net/p/free-cad/code/ci/master/tree/src/Base/QuantityParser.l
 * Quantity definitions: http://sourceforge.net/p/free-cad/code/ci/master/tree/src/Base/Quantity.cpp#l167