Fix changelog classifier, and prevent jenkins from running concurrent builds.

And remove caching from setup, as it doesn't use the rangemap.

Jenkinsfile

@@ -1,6 +1,9 @@
 @Library('forge-shared-library')_
 
 pipeline {
+    options {
+        disableConcurrentBuilds()
+    }
     agent {
         docker {
             image 'gradlewrapper:latest'
@@ -19,11 +22,7 @@ pipeline {
         }
         stage('setup') {
             steps {
-                cache(maxCacheSize: 250/*MB*/, caches: [
-                    [$class: 'ArbitraryFileCache', excludes: '', includes: 'output.txt', path: '${WORKSPACE}/projects/forge/build/extractRangeMap/'] //Cache the rangemap to help speed up builds
-                ]){
-                    sh './gradlew ${GRADLE_ARGS} --refresh-dependencies --continue setup'
-                }
+                sh './gradlew ${GRADLE_ARGS} --refresh-dependencies --continue setup'
                 script {
                     env.MYVERSION = sh(returnStdout: true, script: './gradlew :forge:properties -q | grep "version:" | awk \'{print $2}\'').trim()
                 }

build.gradle

@@ -242,15 +242,9 @@ project(':forge') {
         rootProject.file('LICENSE.txt')
     ]
     
-    def jenkinsChangelog = rootProject.file('build/changelog.txt')
-    def changelog = file("build/libs/${project.name}-${project.version}-changelog.txt")
-    if (jenkinsChangelog.exists()) {
-        if (!changelog.parentFile.exists())
-            changelog.parentFile.mkdirs()
-        java.nio.file.Files.copy(jenkinsChangelog.toPath(), changelog.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING)
+    def changelog = rootProject.file('build/changelog.txt')
+    if (changelog.exists())
         extraTxts += changelog
-        println extraTxts
-    }
     
     task downloadCrowdin() {
         ext {
@@ -749,8 +743,11 @@ project(':forge') {
         publications {
             mavenJava(MavenPublication) {
                 artifact universalJar
-                if (changelog.exists())
-                    artifact changelog
+                if (changelog.exists()) {
+                    artifact(changelog) {
+                        classifier = 'changelog'
+                    }
+                }
                 artifact installerJar
                 //TODO: installer-win
                 artifact makeMdk