Allow for command line builds to succeed and add travis script (#10)

.travis.yml

@@ -0,0 +1,23 @@
+language: android
+
+jdk:
+  - oraclejdk8
+
+android:
+  components:
+    - platform-tools
+    - tools
+
+    # The BuildTools version used by your project
+    - build-tools-24.0.0
+
+    # The SDK version used to compile your project
+    - android-24
+
+    # Additional components
+    - extra-android-m2repository
+
+before_script:
+    - chmod +x gradlew
+
+script: "./gradlew build"

app/build.gradle

@@ -18,6 +18,9 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    lintOptions {
+        abortOnError false
+    }
 }
 
 dependencies {