Merge pull request #6 from nisrulz/develop

Only run deploy stage if tag is present and type is not pull request

.travis.yml

@@ -72,17 +72,17 @@ stages:
   - name: test_and_build
     if: type = pull_request
   - name: deploy
-    if: (branch = master OR tag IS present) AND type != pull_request
+    if: (tag IS present) AND (type != pull_request)
 
 jobs:
   fast_finish: true
   include:
     - stage: test_and_build
-      name: 'Unit Tests && Build'
+      name: 'Building codebase and running unit tests'
       script:
         - ./gradlew -q build test
     - stage: deploy
-      name: 'Deploy App'
+      name: 'Assemble release APK'
       script:
         - ./gradlew -q assembleRelease