update gradle to 1.9

.travis.yml

@@ -3,7 +3,9 @@ jdk:
     - oraclejdk7
     - openjdk7
     - openjdk6
-script: gradle clean build
+before_install:
+    - chmod +x gradlew
+script: ./gradlew clean build dist
 notifications:
     email:
         - skylot@gmail.com

build.gradle

@@ -66,5 +66,5 @@ task clean(type: Delete) {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.8'
+    gradleVersion = '1.9'
 }

gradle/wrapper/gradle-wrapper.properties

-#Tue Sep 24 21:49:47 MSK 2013
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.8-bin.zip
+distributionUrl=http\://services.gradle.org/distributions/gradle-1.9-bin.zip