Tweaked gitignore

gitignore removed all composer and npm files, so automated builds would fail

conf/site/node_modules/tiny-warning/dist/tiny-warning.js

@@ -0,0 +1,27 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  (global = global || self, global.warning = factory());
+}(this, function () { 'use strict';
+
+  function warning(condition, message) {
+    {
+      if (condition) {
+        return;
+      }
+
+      var text = "Warning: " + message;
+
+      if (typeof console !== 'undefined') {
+        console.warn(text);
+      }
+
+      try {
+        throw Error(text);
+      } catch (x) {}
+    }
+  }
+
+  return warning;
+
+}));