Add coveralls support

.travis.yml

@@ -1,4 +1,8 @@
 # We still need android to get the build tools/support libraries
 language: android
 
-script: "bash gradlew jacocoTestReport"
+script:
+  - ./gradlew test
+
+after_success:
+  - ./gradlew jacocoTestReport coveralls

app-test/build.gradle

@@ -1,6 +1,17 @@
 apply plugin: 'java'
 apply plugin: 'kotlin'
 apply plugin: 'jacoco'
+apply plugin: 'com.github.kt3k.coveralls'
+
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'org.kt3k.gradle.plugin:coveralls-gradle-plugin:1.0.2'
+    }
+}
 
 def androidModule = project(':app')
 def firstVariant = androidModule.android.applicationVariants.toList().first()
@@ -39,8 +50,6 @@ jacocoTestReport {
     }
 
     // Back to your regularly scheduled Jacoco
-    dependsOn test
-
     reports {
         xml.enabled true
         csv.enabled false