Revert "Travis-CI: Try again"

This reverts commit ebf03faf3b9ec6a0ba977af5d8e254f26938cfb4.
diff --git a/app/build.gradle b/app/build.gradle
index ddca75a..a15b989 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -37,9 +37,7 @@
     compile 'com.android.support:cardview-v7:22.0.0'
     compile 'com.android.support:palette-v7:22.0.0'
     compile 'com.android.support:design:22.2.0'
-	compile('com.github.afollestad.material-dialogs:core:0.8.5.7@aar') {
-        transitive = true
-    }
+    compile 'com.afollestad:material-dialogs:0.7.6.0'
     compile('com.mikepenz:materialdrawer:3.0.5@aar') {
         transitive = true
     }