Replace uses of deprecated Gradle baseName property

btypes_big_integer/build.gradle

@@ -18,7 +18,7 @@ dependencies {
 }
 
 task fatJar(type: Jar) {
-    baseName = project.name + '-all'
+    archivesBaseName = project.name + '-all'
     from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
     {
         exclude "META-INF/*.SF"

btypes_primitives/build.gradle

@@ -18,7 +18,7 @@ dependencies {
 }
 
 task fatJar(type: Jar) {
-    baseName = project.name + '-all'
+    archivesBaseName = project.name + '-all'
     from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
     {
         exclude "META-INF/*.SF"

build.gradle

@@ -52,7 +52,7 @@ jar {
 }
 
 task fatJar(type: Jar) {
-    baseName = project.name + '-all'
+    archivesBaseName = project.name + '-all'
     manifest {
         attributes(
                 'Main-Class': 'de.hhu.stups.codegenerator.CodeGenerator'