[ZEPPELIN-5766] Window compilation (.appveyor.yml) (apache#4426)

* add build script to appveyor.yml

* add -DskipTest option to build sciprt on appveyor.yml

* add fork count configuration of maven-surefire-plugin to pom.xml

* add new line to appveyor.yml for EOF Warning

* remove forkcount configuration of surefire plugin in pom.xml and add mode-javascript.js to karma.conf.js

* remove karma.conf.js file auto-generated by building

.appveyor.yml

@@ -31,3 +31,4 @@ install:
 
 build_script:
   - echo "Build"
+  - ps: ./mvnw clean package -DskipTests