proper Timber integration

updated some deps

app/build.gradle

@@ -85,7 +85,7 @@ dependencies {
     compile 'com.github.LED-Freaks:HoloColorPicker:master-SNAPSHOT'
     compile 'com.google.guava:guava:19.0'
     compile 'com.thetransactioncompany:jsonrpc2-base:1.38'
-    compile('com.mikepenz:materialdrawer:5.2.2@aar') {
+    compile('com.mikepenz:materialdrawer:5.2.6@aar') {
         transitive = true
     }
     provided 'org.projectlombok:lombok:1.16.8'

app/src/main/java/com/idlegandalf/ledd/ColorActivity.java

@@ -107,7 +107,10 @@ public class ColorActivity extends AppCompatActivity implements Drawer.OnDrawerI
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_color);
         ButterKnife.bind(this);
-        Timber.asTree();
+
+        if (BuildConfig.DEBUG) {
+            Timber.plant(new Timber.DebugTree());
+        }
 
         // check for connectivity
         ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);