You may achieve same functionality as you did with ANT
1) By default install
goal will build war file. If it's not working you may use https://maven.apache.org/plugins/maven-war-plugin/ and it's goal is war:war
.
2) To achieve second target
You may use Maven Resource Plugin and it's goal resources:resources
. You may refer http://maven.apache.org/plugins/maven-resources-plugin/ and for example http://maven.apache.org/plugins/maven-resources-plugin/examples/copy-resources.html