Merge branch 'dev' into (#696)-new-captcha-window-clover

.travis.yml

@@ -1,5 +1,6 @@
 sudo: false
 language: android
+dist: trusty
 jdk:
   - oraclejdk8
 android:
@@ -12,5 +13,14 @@ android:
 
 script: cd Clover && ./gradlew clean check --console plain
 
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+    - $HOME/.android/build-cache
+
 notifications:
   email: false