Upgrade gradle

Author: zolotov

Diff for: build.gradle

@@ -21,7 +21,7 @@ buildscript {
 }
 
 plugins {
-  id 'org.jetbrains.intellij' version "0.1.4"
+  id 'org.jetbrains.intellij' version "0.1.7"
   id "de.undercouch.download" version "2.0.0"
 }
 

Diff for: gradle/wrapper/gradle-wrapper.properties

@@ -14,9 +14,9 @@
 # limitations under the License.
 #
 
-#Tue May 24 15:43:58 MSK 2016
+#Tue Jun 14 22:53:38 MSK 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.0-milestone-1-all.zip