Converted code to kotlin

kotlin/.gitignore

@@ -0,0 +1,55 @@
+.DS_Store
+.idea/shelf
+/android.tests.dependencies
+/confluence/target
+/dependencies/repo
+/dist
+/local
+/gh-pages
+/ideaSDK
+/clionSDK
+/android-studio/sdk
+out/
+/tmp
+workspace.xml
+*.versionsBackup
+/idea/testData/debugger/tinyApp/classes*
+/jps-plugin/testData/kannotator
+/js/js.translator/testData/out/
+/js/js.translator/testData/out-min/
+.gradle/
+build/
+!**/src/**/build
+!**/test/**/build
+*.iml
+!**/testData/**/*.iml
+.idea/libraries/Gradle*.xml
+.idea/libraries/Maven*.xml
+.idea/artifacts/PILL_*.xml
+.idea/artifacts/KotlinPlugin.xml
+.idea/modules
+.idea/runConfigurations/JPS_*.xml
+.idea/runConfigurations/PILL_*.xml
+.idea/libraries
+.idea/modules.xml
+.idea/gradle.xml
+.idea/compiler.xml
+.idea/inspectionProfiles/profiles_settings.xml
+.idea/.name
+.idea/artifacts/dist_auto_*
+.idea/artifacts/dist.xml
+.idea/artifacts/ideaPlugin.xml
+.idea/artifacts/kotlinc.xml
+.idea/artifacts/kotlin_compiler_jar.xml
+.idea/artifacts/kotlin_plugin_jar.xml
+.idea/artifacts/kotlin_jps_plugin_jar.xml
+.idea/artifacts/kotlin_daemon_client_jar.xml
+.idea/artifacts/kotlin_imports_dumper_compiler_plugin_jar.xml
+.idea/artifacts/kotlin_main_kts_jar.xml
+.idea/artifacts/kotlin_compiler_client_embeddable_jar.xml
+.idea/artifacts/kotlin_reflect_jar.xml
+kotlin-ultimate/
+node_modules/
+.rpt2_cache/
+libraries/tools/kotlin-test-nodejs-runner/lib/
+local.properties