BS-10050, add javadoc on org.bonitasoft.engine.home
BS-10051, javadoc of org.bonitasoft.engine.identity
BS-10053, javadoc of org.bonitasoft.engine.platform.command
BS-10049, javadoc of org.bonitasoft.engine.command
change package.html to package-info.java
 update package-info