SONAR-5804 delete file_sources when deleting a project or during the data cleaning step
rename subProjectId by parentProjectId in ComponentDto except in WS use

Conflicts:
	server/sonar-server/src/test/java/org/sonar/server/component/db/ComponentDaoTest.java
	sonar-core/src/test/java/org/sonar/core/component/ComponentDtoTest.java