Fix/gradle properties (#211)

* Allow Gradle parallel build
* Fix version name

gradle.properties

@@ -14,11 +14,11 @@ org.gradle.jvmargs=-Xmx1536m
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
+org.gradle.parallel=true
 
-VERSION_NAME=3.1.0
-# 3*100*100 + 0*100 + 1 => 30001
-VERSION_CODE=30100
+VERSION_NAME=3.1.1
+# 3*100*100 + 1*100 + 1 => 30101
+VERSION_CODE=30101
 GROUP=com.github.chuckerteam.chucker
 
 POM_REPO_NAME=Chucker