Added Kotlin integration

Author: gastsail

app/build.gradle

@@ -0,0 +1,66 @@
+apply plugin: 'com.android.application'
+
+def YOUTUBE_APIKEY = '"' + SIMPLEMVP_YOUTUBE_API_KEY + '"' ?: '"Error"'
+def APOD_APIKEY = '"' + SIMPLEMVP_NASA_API_KEY + '"' ?: '"Error"'
+def STRING = 'String'
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    defaultConfig {
+        applicationId "com.gaston.macbook.simplemvp"
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        each {
+            type ->
+                type.buildConfigField STRING, 'APODApiKey', APOD_APIKEY
+                type.buildConfigField STRING, 'YoutubeApiKey', YOUTUBE_APIKEY
+        }
+
+        compileOptions {
+            sourceCompatibility JavaVersion.VERSION_1_8
+            targetCompatibility JavaVersion.VERSION_1_8
+        }
+    }
+
+    buildTypes {
+
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation "androidx.appcompat:appcompat:$rootProject.ext.appcompat"
+    implementation "androidx.constraintlayout:constraintlayout:$rootProject.ext.constraintlayout"
+    implementation "com.google.android.material:material:$rootProject.ext.material"
+    implementation "com.github.bumptech.glide:glide:$rootProject.ext.glide"
+    implementation "com.squareup.retrofit2:retrofit:$rootProject.ext.retrofit"
+    implementation "com.squareup.retrofit2:converter-gson:$rootProject.ext.retrofit"
+    implementation files('libs/YouTubeAndroidPlayerApi.jar')
+    implementation "com.jakewharton:butterknife:$rootProject.ext.butterknife"
+    annotationProcessor "com.jakewharton:butterknife-compiler:$rootProject.ext.butterknife"
+    implementation "com.github.chrisbanes:PhotoView:$rootProject.ext.photoview"
+
+    // Dependencies for local unit tests
+    testImplementation "junit:junit:$rootProject.ext.junitVersion"
+    testImplementation "org.mockito:mockito-all:$rootProject.ext.mockitoVersion"
+    testImplementation "org.hamcrest:hamcrest-all:$rootProject.ext.hamcrestVersion"
+    testImplementation "org.powermock:powermock-module-junit4:$rootProject.ext.powerMockito"
+    testImplementation "org.powermock:powermock-api-mockito:$rootProject.ext.powerMockito"
+
+    // Android Testing Support Library's runner and rules
+    androidTestImplementation "androidx.test:runner:$rootProject.ext.runnerVersion"
+    androidTestImplementation "androidx.test:rules:$rootProject.ext.rulesVersion"
+
+    // Espresso UI Testing dependencies.
+    androidTestImplementation "androidx.test.espresso:espresso-core:$rootProject.ext.espressoVersion"
+    androidTestImplementation "androidx.test.espresso:espresso-contrib:$rootProject.ext.espressoVersion"
+    androidTestImplementation "androidx.test.espresso:espresso-intents:$rootProject.ext.espressoVersion"
+}