Update and Imporve translation

client/src/i18n/en/stock.json

@@ -246,7 +246,7 @@
     "UNIT_COST"       : "Unit cost",
     "UNIT_COST_SH"    : "Unit cost + S&H",
     "UNIT_COST_SH_NOTE" : "This unit cost includes distributed Shipping and Handling costs",
-    "USABLE_AVAILABLE_STOCK": "Usable available stock",
+    "USABLE_AVAILABLE_STOCK": "Quantity Usable",
     "ANTERIOR_DATE_QUANTITY_MESSAGE" : "You have chosen a past date. Only the lots available on the chosen date will be visible as well as the quantity on this date",
     "STOCK_COST_DESCRIPTION" : "Monetary values are based on the cost of purchasing inventory, not the selling price",
     "STOCK_UNIT_COST_ROUNDED" : "The unit cost is rounded with two decimals",
@@ -270,7 +270,7 @@
     "ENABLE_STRICT_DEPOT_PERMISSION_HELP_TEXT" : "Limit the consultation of stock registries to users according to their depots",
     "ENABLE_SUPPLIER_CREDIT_ON_STOCK_ENTRY" : "Enable automatic crediting of supplier on stock entry",
     "ENABLE_SUPPLIER_CREDIT_ON_STOCK_ENTRY_HELP_TEXT" : "Automatically adds the transactions to credit the supplier for the value of stock received in a depot when entering stock from a purchase order.  This is only triggered if the automatic stock accounting is set as well.",
-    "ENABLE_CONSIDERATION_EXPIRED_STOCK_OUT": "Enabled the consideration of expired stocks as in stock out",
+    "ENABLE_CONSIDERATION_EXPIRED_STOCK_OUT": "Consider expired stocks as stock out (unusable)",
     "ENABLE_CONSIDERATION_EXPIRED_STOCK_OUT_HELP_TEXT": "Activating this option will consider expired stocks as out of stock, and will only consider those that are available and usable.",
     "ORDER_BY_CREATED_AT" : "Sort lots movements by their true creation date",
     "ORDER_BY_CREATED_AT_HELP_TEXT" : "This option allows you to sort lot movements by their true creation date in the system",

client/src/i18n/fr/stock.json

@@ -246,7 +246,7 @@
     "UNIT_COST"       : "Coût unitaire",
     "UNIT_COST_SH"    : "Coût unitaire + E&M",
     "UNIT_COST_SH_NOTE" : "Ce coût unitaire comprend les frais d'Expédition et de Manutention distribués",
-    "USABLE_AVAILABLE_STOCK": "Stock disponible utilisable",
+    "USABLE_AVAILABLE_STOCK": "Quantité utilisable",
     "ANTERIOR_DATE_QUANTITY_MESSAGE" : "Vous avez choisi une date anterieur, seul les lots disponibles à la date choisie seront visibles ainsi que la quantité à cette date",
     "STOCK_COST_DESCRIPTION" : "Les valeurs monetaires sont basées sur le coût d'achat de stock et non sur le prix de vente",
     "STOCK_UNIT_COST_ROUNDED" : "Le cout unitaire est arrondi avec deux decimales",