Restructured /media folder, added Kenney gameicons, replace simulate/upload/download buttons text with images

lib/states/editor.rb

@@ -26,17 +26,17 @@ module TAC
                   end
 
                   flow width: 0.395 do
-                    button "►", text_size: 18, margin_left: 10, tip: "Simulate robot path"
+                    button get_image("#{TAC::ROOT_PATH}/media/icons/right.png"), image_width: 18, margin_left: 10, tip: "Simulate robot path"
                     button "Presets", text_size: 18, margin_left: 10, tip: "Manage presets" do
                       push_state(ManagePresets)
                     end
-                    button "Save", text_size: 18, margin_left: 10, tip: "Save config to disk" do
+                    button get_image("#{TAC::ROOT_PATH}/media/icons/save.png"), image_width: 18, margin_left: 10, tip: "Save config to disk" do
                       window.backend.save_config
                     end
-                    button "▲", text_size: 18, margin_left: 10, tip: "Upload local config to remote, if connected." do
+                    button get_image("#{TAC::ROOT_PATH}/media/icons/export.png"), image_width: 18, margin_left: 10, tip: "Upload local config to remote, if connected." do
                       window.backend.upload_config
                     end
-                    button "▼", text_size: 18, margin_left: 10, tip: "Download remote config, if connected." do
+                    button get_image("#{TAC::ROOT_PATH}/media/icons/import.png"), image_width: 18, margin_left: 10, tip: "Download remote config, if connected." do
                       window.backend.download_config
                     end
                   end

lib/theme.rb

@@ -1,7 +1,7 @@
 module TAC
   THEME = {
             Label: {
-              font: "#{TAC::ROOT_PATH}/media/DejaVuSansCondensed.ttf",
+              font: "#{TAC::ROOT_PATH}/media/fonts/DejaVuSansCondensed.ttf",
               text_size: 28
             },
             Button: {

media/icons/license.txt

@@ -0,0 +1,14 @@
+
+###############################################################################
+
+	Game icon pack by Kenney Vleugels (www.kenney.nl)
+
+			------------------------------
+
+			        License (CC0)
+	       http://creativecommons.org/publicdomain/zero/1.0/
+
+	You may use these graphics in personal and commercial projects.
+	Credit (Kenney or www.kenney.nl) would be nice but is not mandatory.
+
+###############################################################################