Set up a basic travis CI build.

.gitignore

@@ -8,6 +8,7 @@
 !gradlew.bat
 !build.gradle
 !gradle.properties
+!.travis.yml
 
 # include markdowns
 !README.md

.travis.yml

@@ -0,0 +1,9 @@
+language: java
+
+# Disable the install step because gradlew assemble would actually run the entirety of the build
+install: true
+
+script: ./gradlew setupCiWorkspace build
+
+jdk:
+  - oraclejdk8

gradlew

@@ -7,7 +7,7 @@
 ##############################################################################
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS="-Xmx2G"
 
 APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`

gradlew.bat

@@ -9,7 +9,7 @@
 if "%OS%"=="Windows_NT" setlocal
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS="-Xmx4g"
+set DEFAULT_JVM_OPTS="-Xmx2G"
 
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.