JAVA-18142 New JHipster-6 module for JDK 11 (#13489)
* JAVA-18142 New JHipster-6 module for JDK 11
* JAVA-18142 Add jhipster-6 to jdk9-and-above
* JAVA-18142 Re-enabled enforcer plugin
* JAVA-18142 Fixed enforcer setup, upgraded spring boot
* JAVA-18142 Try commiting package-lock.json
* JAVA-18142 Removed package-lock.json
* JAVA-18142 Added logs direectory to Git
* JAVA-18142 Tried node npm version and legacy-peer-devs config
* JAVA-18142 Added v for node.version
* JAVA-18142 Corrected a config argument typo
* JAVA-18142 Removed pre-jdk9 profiles
* JAVA-18142 Verify Node/NPM upgrades are needed
* JAVA-18142 Refactored remaining jhipster-5 references to jhipster-6
* JAVA-18142 Fixed more to jhipster6 namespace