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-gr.js

@@ -0,0 +1,18 @@
+// Spectrum Colorpicker
+// Greek (gr) localization
+// https://github.com/bgrins/spectrum
+
+(function ( $ ) {
+
+    var localization = $.spectrum.localization["gr"] = {
+        cancelText: "Ακύρωση",
+        chooseText: "Επιλογή",
+        clearText: "Καθαρισμός επιλεγμένου χρώματος",
+        noColorSelectedText: "Δεν έχει επιλεχθεί κάποιο χρώμα",
+        togglePaletteMoreText: "Περισσότερα",
+        togglePaletteLessText: "Λιγότερα"
+    };
+
+    $.extend($.gr.spectrum.defaults, localization);
+
+})( jQuery );