Merge pull request #8 from thingsboard/feature/travis-build

Feature/travis build

+before_install:
+  - sudo rm /etc/mavenrc
+  - export M2_HOME=/usr/local/maven
+  - export MAVEN_OPTS="-Dmaven.repo.local=$HOME/.m2/repository -Xms1024m -Xmx3072m"
 jdk:
  - oraclejdk8
 language: java
-sudo: false
+sudo: required
 script: mvn clean verify

@@ -71,7 +71,7 @@ public class DeviceAttributesFilterTest {
         filter.stop();
     }
 
-    @Test(timeout = 10000)
+    @Test(timeout = 30000)
     public void basicClientAttributesStressTest() {
         DeviceAttributesFilter filter = new DeviceAttributesFilter();
         filter.init(wrap("doubleValue == 1.0 && booleanValue == false"));