Update libs and the Gradle plugin

Author: rubengees

app/build.gradle

@@ -30,7 +30,7 @@ dependencies {
 
     compile 'com.jakewharton:butterknife:7.0.1'
     compile 'com.github.orhanobut:hawk:1.20'
-    compile 'net.danlew:android.joda:2.9.0'
+    compile 'net.danlew:android.joda:2.9.1'
     compile 'com.github.bumptech.glide:glide:3.6.1'
     compile 'com.mikepenz:iconics-core:2.2.1@aar'
     compile 'com.mikepenz:google-material-typeface:2.2.0.1@aar'
@@ -40,7 +40,7 @@ dependencies {
     compile('com.mikepenz:aboutlibraries:5.3.3@aar') {
         transitive = true
     }
-    compile('com.mikepenz:materialdrawer:4.5.3@aar') {
+    compile('com.mikepenz:materialdrawer:4.5.6@aar') {
         transitive = true
     }
     compile('com.github.rubengees:introduction:1.1.3@aar') {

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.0.0-alpha1'
+        classpath 'com.android.tools.build:gradle:2.0.0-alpha2'
     }
 }