Code cleanup, refactoring and bug fixes:

- Fixed first time running warnings about missing packages.json / desc files
- Fixed bug preventing Select All from being able to be clicked
- Fixed bug in select all and dependent checkboxes / race condition
- Eliminated vertical space gap between page header and table

source/NerdPack/usr/local/emhttp/plugins/NerdPack/css/NerdPack.css

@@ -1,3 +1,9 @@
 .package {
-	cursor: pointer; 
+	cursor: pointer;
 }
+#package_form {
+	margin-top: -22px;
+}
+.switch-button-label.off {
+	color: inherit;
+}