Added button for enabling disabling logging.

assets/js/libs/devtools-detect.js

@@ -0,0 +1,40 @@
+/*!
+	devtools-detect
+	Detect if DevTools is open
+	https://github.com/sindresorhus/devtools-detect
+	by Sindre Sorhus
+	MIT License
+*/
+(function () {
+	'use strict';
+	var devtools = {open: false};
+	var threshold = 160;
+	var emitEvent = function (state) {
+		window.dispatchEvent(new CustomEvent('devtoolschange', {
+			detail: {
+				open: state
+			}
+		}));
+	};
+
+	setInterval(function () {
+		if ((window.Firebug && window.Firebug.chrome && window.Firebug.chrome.isInitialized) || window.outerWidth - window.innerWidth > threshold ||
+			window.outerHeight - window.innerHeight > threshold) {
+			if (!devtools.open) {
+				emitEvent(true);
+			}
+			devtools.open = true;
+		} else {
+			if (devtools.open) {
+				emitEvent(false);
+			}
+			devtools.open = false;
+		}
+	}, 500);
+
+	if (typeof module !== 'undefined' && module.exports) {
+		module.exports = devtools;
+	} else {
+		window.devtools = devtools;
+	}
+})();