updated ConsoleMessage class, updated evaluateJavascript method, fixed Android JavaScriptBridgeInterface _callHandler method

fixed ajax interceptor javascript code, re-added flutterInAppBrowserPlatformReady javascript for the window object, tests moved inside example folder using flutter driver

fixed shouldInterceptRequest String url Android, added initial tests using custom classes and functions

updated AjaxRequest class, fixed 'InvalidStateError' ajax error #189, No need to listen to window.addEventListener(flutterInAppBrowserPlatformReady, fuction(){ }) javascript event anymore to use JaaScript message handlers

add initialScale in android

handle choose file callback in android

updated locationchange iOS javascript event name, updated javaScriptHandlerForbiddenNames dart variable

Added shouldInterceptAjaxRequest, onAjaxReadyStateChange, onAjaxProgressEvent and shouldInterceptFetchRequest events, added useShouldInterceptAjaxRequest and useShouldInterceptFetchRequest webview options, updated node.js server test, added injectJavascriptFileFromAsset and injectCSSFileFromAsset methods, renamed some methods

updated webview options classes, fixed debuggingEnabled, added getTRexRunnerHtml and getTRexRunnerCss methods

added getHtml method, updated android config, remove block on long press webview android, fixed other issues

added onReceivedServerTrustAuthRequest and onReceivedClientCertRequest events to manage SSL requests, added clearSslPreferences and clearClientCertPreferences for Android, added nodejs_server_test_auth_basic_and_ssl for testing auth and ssl requests