add coveralls

Author: memoizr

.travis.yml

@@ -1,3 +1,5 @@
 language: java
 jdk:
-  - oraclejdk8
+  - oraclejdk8
+after_success:
+  - ./gradlew cobertura coveralls

build.gradle

@@ -1,6 +1,3 @@
-group 'com.memoizr'
-version '0.1'
-
 buildscript {
     ext.kotlin_version = '1.0.3'
 
@@ -12,6 +9,15 @@ buildscript {
     }
 }
 
+plugins {
+    id 'net.saliman.cobertura' version '2.3.1'
+    id 'com.github.kt3k.coveralls' version '2.6.3'
+}
+
+cobertura.coverageFormats = ['html', 'xml']
+group 'com.memoizr'
+version '0.1'
+
 apply plugin: 'kotlin'
 
 repositories {