Add first-run dialog to migrate files to project

editor/sass/colors.scss

@@ -66,4 +66,4 @@ $editor-button-background-primary-hover: #6E0A1E;
 $editor-button-color: #999;
 $editor-button-background: #fff;
 
-$shade-color: rgba(200,200,200,0.5);
+$shade-color: rgba(160,160,160,0.5);

editor/sass/forms.scss

@@ -501,6 +501,11 @@ textarea.span1,
   padding-top: 5px;
 }
 
+label.disabled {
+    color: #bbb !important;
+    cursor: default;
+}
+
 input[disabled],
 select[disabled],
 textarea[disabled],

editor/sass/jquery.scss

@@ -143,3 +143,10 @@
         outline: none;
     }
 }
+
+
+.ui-widget-overlay {
+    @include shade;
+    z-index: 100;
+    opacity: 1;
+}

editor/sass/projects.scss

@@ -107,6 +107,33 @@
 
 }
 .projects-dialog-screen-start {
+    .projects-dialog-screen-start-hero {
+        // background: url(https://nodered.org/images/title-wave.png) no-repeat 0% 100% #8f0000;
+        // background-size: contain;
+        text-align: center;
+        font-size: 2em;
+        padding: 10px;
+        min-height: 60px;
+        color: #555;
+        h1 {
+            text-align: center;
+            color: #f0f0f0;
+            font-size: 2em;
+            font-weight: normal;
+        }
+    }
+    .projects-dialog-screen-start-body {
+        min-height: 400px;
+        line-height: 1.6em;
+        p {
+            font-size: 1.1em;
+            margin-bottom: 20px;
+        }
+        p:first-child {
+            font-weight: 500;
+            font-size: 1.2em;
+        }
+    }
     button.editor-button {
         width: calc(50% - 40px);
         margin: 20px;