added local spectrum

public/assets/spectrum/i18n/jquery.spectrum-ca.js

@@ -0,0 +1,18 @@
+// Spectrum Colorpicker
+// Catalan (ca) localization
+// https://github.com/bgrins/spectrum
+
+(function ( $ ) {
+
+    var localization = $.spectrum.localization["ca"] = {
+        cancelText: "Cancel·lar",
+        chooseText: "Escollir",
+        clearText: "Esborrar color seleccionat",
+        noColorSelectedText: "Cap color seleccionat",
+        togglePaletteMoreText: "Més",
+        togglePaletteLessText: "Menys"
+    };
+
+    $.extend($.fn.spectrum.defaults, localization);
+
+})( jQuery );