title: android.compileSdkVersion is missing
body: <p>Im using AndroidStudio and Im trying to put some ads on my app, according to the setting up google play API - <a href="https://developer.android.com/google/play-services/setup.html" rel="nofollow">https://developer.android.com/google/play-services/setup.html</a></p>
  
  <p>Adter i sync the project with the grandle files i get this error:</p>
  
  <pre><code>Error:Failed to find: com.google.android.gms:play-services:5.0.77
  &lt;a href="install.m2.repo"&gt;Install Repository and sync project&lt;/a&gt;&lt;br&gt;&lt;a href="openFile"&gt;Open File&lt;/a&gt;&lt;br&gt;&lt;a href="open.dependency.in.project.structure"&gt;Open in Project Structure dialog&lt;/a&gt;
  </code></pre>
  
  <p>This is my gradle.build:      </p>
  
  <pre><code>apply plugin: 'com.android.application'
  apply plugin: 'android'
  android {
      compileSdkVersion 19
      buildToolsVersion "20.0.0"
  
  defaultConfig {
      applicationId "com.pachu.fartsounds"
      minSdkVersion 8
      targetSdkVersion 19
      versionCode 1
      versionName "1.0"
  }
  buildTypes {
      release {
          runProguard false
          proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      }
  }
  }
  dependencies {
      compile fileTree(dir: 'libs', include: ['*.jar'])
      compile 'com.android.support:appcompat-v7:19.+'
      compile 'com.google.android.gms:play-services:5.0.77'
  }
  </code></pre>
  
  <p>My Manifest:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.pachu.fartsounds"&gt;
  
  &lt;application
      android:allowBackup="true"
      android:icon="@drawable/fart_icon"
      android:label="@string/app_name"
      android:theme="@style/AppTheme" &gt;
      &lt;activity
          android:name=".FartActivity"
          android:label="@string/app_name"
          android:screenOrientation="portrait"&gt;
          &lt;intent-filter&gt;
              &lt;action android:name="android.intent.action.MAIN" /&gt;
  
              &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
          &lt;/intent-filter&gt;
      &lt;/activity&gt;
  &lt;/application&gt;
  </code></pre>
  
  <p></p>
  
  <p>Any ideas? Thanks !</p>