Huge refactorings of JSON-parsing and Tagsfilter, other cleanups, warning cleanups and lots of small subtle bugfixes

Customizations/JSON/TagConfig.ts

@@ -0,0 +1,14 @@
+/**
+ * Read a tagconfig and converts it into a TagsFilter value
+ */
+import {AndOrTagConfigJson} from "./TagConfigJson";
+
+export default class TagConfig {
+
+    public static fromJson(json: any): TagConfig {
+        const config: AndOrTagConfigJson = json;
+        return config;
+    }
+
+}
+