Use new group for GWT plugin; update version.

Thanks, SimonIT!

src/main/kotlin/gdx/liftoff/actions/GlobalActionContainer.kt

@@ -96,7 +96,7 @@ class GlobalActionContainer : ActionContainer {
   fun getDefaultRoboVMVersion(): String = "2.3.19"
 
   @LmlAction("gwtPluginVersion")
-  fun getDefaultGwtPluginVersion(): String = "1.1.19"
+  fun getDefaultGwtPluginVersion(): String = "1.1.29"
 
   @LmlAction("close")
   fun noOp() {

src/main/kotlin/gdx/liftoff/data/platforms/GWT.kt

@@ -37,7 +37,7 @@ class GWT : Platform {
   override fun createGradleFile(project: Project): GradleFile = GWTGradleFile(project)
 
   override fun initiate(project: Project) {
-    project.rootGradle.buildDependencies.add("\"org.wisepersist:gwt-gradle-plugin:\$gwtPluginVersion\"")
+    project.rootGradle.buildDependencies.add("\"org.docstr:gwt-gradle-plugin:\$gwtPluginVersion\"")
 
     addGradleTaskDescription(project, "superDev", "compiles GWT sources and runs the application in SuperDev mode. It will be available at [localhost:8080/$id](http://localhost:8080/$id). Use only during development.")
     addGradleTaskDescription(project, "dist", "compiles GWT sources. The compiled application can be found at `$id/build/dist`: you can use any HTTP server to deploy it.")
@@ -204,15 +204,15 @@ gwt {
   compiler.strict = true
   compiler.disableCastChecking = true
   //// The next line can be useful to uncomment if you want output that hasn't been obfuscated.
-//  compiler.style = org.wisepersist.gradle.plugins.gwt.Style.DETAILED
+//  compiler.style = org.docstr.gradle.plugins.gwt.Style.DETAILED
 ${if (project.advanced.gwtVersion == "2.10.0") "\n  sourceLevel = 1.11\n" else ""}}
 
 dependencies {
 ${joinDependencies(dependencies)}
 }
 
 import org.akhikhl.gretty.AppBeforeIntegrationTestTask
-import org.wisepersist.gradle.plugins.gwt.GwtSuperDev
+import org.docstr.gradle.plugins.gwt.GwtSuperDev
 
 gretty.httpPort = 8080
 // The line below will need to be changed only if you change the build directory to something other than "build".

src/main/resources/i18n/nls.properties

@@ -464,7 +464,7 @@ gdxVersionTip=Version of the official libGDX libraries. The latest release was {
 gwtVersion=GWT version:
 gwtVersionTip=Version of GWT libraries. Should match version used to build the GWT backend. Defaults to 2.10.0, using a special backend. Other versions are NOT guaranteed to work out of the box due to API changes. Pre-1.9.5 libGDX uses GWT 2.6.1, 1.9.5 to 1.9.8 used 2.8.0, 1.9.9 up use 2.8.2 unless they have an alternate backend.
 gwtPlugin=GWT plugin version:
-gwtPluginTip=Version of the Gradle plugin for GWT applications; 1.1.19 is the current default.
+gwtPluginTip=Version of the Gradle plugin for GWT applications; 1.1.29 is the current default.
 sdkVersion=Target Android API:
 sdkVersionTip=Version of the targeted Android API; should be at least 30.
 androidPluginVersion=Android plugin: