IDE-1649 check for null appServerPortalDir
IDE-1661 check for liferay version from active properties and deps
IDE-1661 source formatting
IDE-1661 added two unit tests
IDE-1646 adding disable custom jsps validation rule for liferay-hook.xml editor
IDE-1646 Use default docroot folder instead of IVirtualFolder API
IDE-1646 source formatting
IDE-1527 Add null java package check and add a new constant "PERIOD"