Merge branch 'debug-icons' into 'master'

added icons for debug build

See merge request !55

android/app/build.gradle

@@ -121,6 +121,9 @@ android {
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }
+        debug {
+            applicationIdSuffix ".dev"
+        }
     }
     // applicationVariants are e.g. debug, release
     applicationVariants.all { variant ->