fixed lint issues

Author: tonyofrancis

app/build.gradle

@@ -26,8 +26,8 @@ dependencies {
     })
     testCompile 'junit:junit:4.12'
 
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support:recyclerview-v7:25.3.1'
-    compile 'com.android.support:design:25.3.1'
+    compile 'com.android.support:appcompat-v7:25.4.0'
+    compile 'com.android.support:recyclerview-v7:25.4.0'
+    compile 'com.android.support:design:25.4.0'
     compile project(':fetch')
 }