refactor(renderer): use singly linked list to keep track of NgElements (#945)

* refactor(renderer): keep internal sibling queue for views

* test: update test interface

* refactor(renderer): fix setting of siblings

* refactor(renderer): skip invisible nodes when using insertBefore

* refactor(renderer): replace doubly linked list with singly linked one

* refactor(renderer): split insert/remove of views to smaller methods

methods for insert/remove from:
- internal view queue (NgElements)
- visual tree (NgViews)

* refactor(renderer): set first child to every NgElement

* style: fix linting errors

* refactor(renderer): stop setting templateParents to `ProxyViewContainer`s

* refactor: remove unused method from view-util

* chore: remove yarn.lock

* refactor(renderer): fix removal from internal queue and add trace for
view util

* test: fix unit tests for renderer

* test(e2e): add app with nativescript-appium tests for renderer

* test(e2e): fix examples for iOS

Content views (Pages) cannot have multiple children and throw in iOS.

* Template tag fixed

* Removed NgElement (#962)

* Removed NgElement

* fix: TestProject does not compile

* fix: subsequent *ngIf break renderer-a

* chore(lint): remove unused import

* refactor(view-util): extract the lookup for next visual view into method

Author: sis0k0

e2e/renderer/.gitignore

@@ -0,0 +1,8 @@
+platforms
+node_modules
+hooks
+
+app/**/*.js
+e2e/**/*.js
+test-results.xml
+

e2e/renderer/app/App_Resources/Android/AndroidManifest.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+	package="__PACKAGE__"
+	android:versionCode="1"
+	android:versionName="1.0">
+
+	<supports-screens
+		android:smallScreens="true"
+		android:normalScreens="true"
+		android:largeScreens="true"
+		android:xlargeScreens="true"/>
+
+	<uses-sdk
+		android:minSdkVersion="17"
+		android:targetSdkVersion="__APILEVEL__"/>
+
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.INTERNET"/>
+
+	<application
+		android:name="com.tns.NativeScriptApplication"
+		android:allowBackup="true"
+		android:icon="@drawable/icon"
+		android:label="@string/app_name"
+		android:theme="@style/AppTheme">
+
+		<activity
+			android:name="com.tns.NativeScriptActivity"
+			android:label="@string/title_activity_kimera"
+			android:configChanges="keyboardHidden|orientation|screenSize"
+			android:theme="@style/LaunchScreenTheme">
+
+			<meta-data android:name="SET_THEME_ON_LAUNCH" android:resource="@style/AppTheme" />
+
+			<intent-filter>
+				<action android:name="android.intent.action.MAIN" />
+				<category android:name="android.intent.category.LAUNCHER" />
+			</intent-filter>
+		</activity>
+		<activity android:name="com.tns.ErrorReportActivity"/>
+	</application>
+</manifest>

e2e/renderer/app/App_Resources/Android/app.gradle

@@ -0,0 +1,23 @@
+// Add your native dependencies here:
+
+// Uncomment to add recyclerview-v7 dependency
+//dependencies {
+//	compile 'com.android.support:recyclerview-v7:+'
+//}
+
+android {  
+  defaultConfig {  
+    generatedDensities = []
+    applicationId = "org.nativescript.renderer" 
+    
+    //override supported platforms
+    // ndk {
+    //       abiFilters.clear()
+    //   		abiFilters "armeabi-v7a"
+ 		// }
+  
+  }  
+  aaptOptions {  
+    additionalParameters "--no-version-vectors"  
+  }  
+}