LPS-30964 Convert old JournalStructure XSD to new DDMStructure XSD
LPS-30964 Adding tests
LPS-30964 Source formatting

Conflicts:

	portal-impl/src/com/liferay/portal/upgrade/v6_2_0/UpgradeJournal.java
	portal-impl/src/com/liferay/portlet/journal/util/JournalConverterUtil.java
LPS-30964 Making naming convention more consistent
LPS-30964 Source formatting