update gradle + some improvements to travis & cursegradle

.travis.yml

@@ -1,8 +1,12 @@
 language: java
+cache:
+  directories:
+    - $HOME/.gradle
 notifications:
   email: false
 jdk:
   - oraclejdk8
-script: ./gradlew setupCIWorkspace build --refresh-dependencies
+install: ./gradlew setupCIWorkspace -S
+script: ./gradlew build -S
 before_install:
   - chmod a+x gradlew

build.gradle

@@ -75,6 +75,21 @@ processResources
     }
 }
 
+task apiJar(type: Jar) {
+  classifier = 'apiClasses'
+  from apiClasses
+}
+
+task javadocJar(type: Jar) {
+  classifier = 'javadoc'
+  from javadoc
+}
+
+artifacts {
+//  archives apiJar
+  archives javadocJar
+}
+
 curseforge {
 	project {
 		apiKey = ''
@@ -87,7 +102,8 @@ curseforge {
 				requiredLibrary 'base-metals'
 				optionalLibrary 'additional-loot-tables'
 			}
-
+		addArtifact sourceJar
+		addArtifact javadocJar
 		}
 	}
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Apr 21 15:09:10 PDT 2016
+#Mon Apr 25 14:51:00 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.12-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-bin.zip