Get off off rails-assets

Just moving the things we currently use (and should drop in the ASAP) to vendor/assets

vendor/assets/javascripts/spectrum/i18n/jquery.spectrum-ar.js

@@ -0,0 +1,17 @@
+// Spectrum Colorpicker
+// Arabic (ar) localization
+// https://github.com/bgrins/spectrum
+(function ( $ ) {
+
+var localization = $.spectrum.localization["ar"] = {
+    cancelText: "إلغاء",
+    chooseText: "إختار",
+    clearText: "إرجاع الألوان على ما كانت",
+    noColorSelectedText: "لم تختار أي لون",
+    togglePaletteMoreText: "أكثر",
+    togglePaletteLessText: "أقل"
+};
+
+$.extend($.fn.spectrum.defaults, localization);
+
+})( jQuery );