Update to gradle 6.0 (#2074)

wpilibjExamples/build.gradle

@@ -11,15 +11,15 @@ apply from: "${rootDir}/shared/opencv.gradle"
 
 
 dependencies {
-    compile project(':wpilibj')
+    implementation project(':wpilibj')
 
-    compile project(':hal')
-    compile project(':wpiutil')
-    compile project(':ntcore')
-    compile project(':cscore')
-    compile project(':cameraserver')
-    compile project(':wpilibOldCommands')
-    compile project(':wpilibNewCommands')
+    implementation project(':hal')
+    implementation project(':wpiutil')
+    implementation project(':ntcore')
+    implementation project(':cscore')
+    implementation project(':cameraserver')
+    implementation project(':wpilibOldCommands')
+    implementation project(':wpilibNewCommands')
 }
 
 if (!project.hasProperty('skipPMD')) {

wpilibjExamples/publish.gradle

@@ -12,8 +12,8 @@ def commandsZipBaseName = '_GROUP_edu_wpi_first_wpilibj_ID_commands_CLS'
 def outputsFolder = file("$project.buildDir/outputs")
 
 task javaExamplesZip(type: Zip) {
-    destinationDir = outputsFolder
-    baseName = examplesZipBaseName
+    destinationDirectory = outputsFolder
+    archiveBaseName = examplesZipBaseName
 
     from(licenseFile) {
         into '/'
@@ -25,8 +25,8 @@ task javaExamplesZip(type: Zip) {
 }
 
 task javaTemplatesZip(type: Zip) {
-    destinationDir = outputsFolder
-    baseName = templatesZipBaseName
+    destinationDirectory = outputsFolder
+    archiveBaseName = templatesZipBaseName
 
     from(licenseFile) {
         into '/'
@@ -38,8 +38,8 @@ task javaTemplatesZip(type: Zip) {
 }
 
 task javaCommandsZip(type: Zip) {
-    destinationDir = outputsFolder
-    baseName = commandsZipBaseName
+    destinationDirectory = outputsFolder
+    archiveBaseName = commandsZipBaseName
 
     from(licenseFile) {
         into '/'