Update en and es translations

Frontend Angular 4/src/assets/i18n/en.json

 {
-    "login" : {
-        "user" : "User",
-        "password" : "Password",
-        "login" : "Login",
-        "guest" : "Guest"
+    "i18n" : {
+        "action" : {
+            "login" : "login",
+            "new" : "new",
+            "load" : "laod",
+            "reload" : "reload",
+            "restart" : "restart",
+            "save" : "save",
+            "export" : "export",
+            "zoom" : "zoom",
+            "center" : "center",
+            "delete" : "delete",
+            "download": "download",
+            "exit" : "exit"
+        },
+        "object" : {
+            "settings" : "settings",
+            "theme" : "theme",
+            "user" : "user",
+            "password" : "password",
+            "guest" : "guest",
+            "program" : "program",
+            "figure" : "figure",
+            "figures" : "figures",
+            "file" : "file",
+            "files" : "files",
+            "group" : "group",
+            "groups" : "groups",
+            "interpreter" : "interpreter",
+            "axis" : "axis",
+            "axes" : "axes",
+            "grid" : "grid",
+            "tip" : "tip",
+            "normal" : "normal",
+            "quality" : "quality"
+        },
+        "msg" : {
+            "codemirror" : {
+                "fontSize" : "Font Size",
+                "functionWarnings": "Show warnings of use of functions",
+                "infixOperatorsWarnings" : "Show warnings of use of infix operators",
+                "fileName" : "File name",
+                "cursorPosition" : "Cursor position"
+            },
+            "figure" : {
+                "multiPlot" : "Multi graph",
+                "animationSpeed" : "Animation speed"
+            }
+        }
     }
 }
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Frontend Angular 4/src/assets/i18n/es.json

 {
-    "login" : {
-        "user" : "Usuario",
-        "password" : "Contraseña",
-        "login" : "Inciar Sesión",
-        "guest" : "Invitado"
+    "i18n" : {
+        "action" : {
+            "login" : "iniciar sesión",
+            "new" : "nuevo",
+            "load" : "cargar",
+            "reload" : "recargar",
+            "restart" : "reiniciar",
+            "save" : "guardar",
+            "export" : "exportar",
+            "zoom" : "zoom",
+            "center" : "centrar",
+            "delete" : "borrar",
+            "download": "descargar",
+            "exit" : "salir"
+        },
+        "object" : {
+            "settings" : "configuración",
+            "user" : "usuario",
+            "theme" : "tema",
+            "password" : "contraseña",
+            "guest" : "invitado",
+            "program" : "programa",
+            "figure" : "figura",
+            "figures" : "figuras",
+            "file" : "archivo",
+            "files" : "archivos",
+            "group" : "grupo",
+            "groups" : "grupos",
+            "interpreter" : "intérprete",
+            "axis" : "eje",
+            "axes" : "ejes",
+            "grid" : "grilla",
+            "tip" : "tip",
+            "normal" : "normal",
+            "quality" : "calidad"
+        },
+        "msg" : {
+            "codemirror" : {
+                "fontSize" : "Tamaño de fuente",
+                "functionWarnings": "Mostrar advertencias de uso de funciones",
+                "infixOperatorsWarnings" : "Mostrar advertencias de uso de operadores infijos",
+                "fileName" : "Nombre de archivo",
+                "cursorPosition" : "Posición del cursor"
+            },
+            "figure" : {
+                "multiPlot" : "Multi gráfica",
+                "animationSpeed" : "Velocidad de animación"
+            }
+        }
     }
 }
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