IDE-1549 use qualifier for default maven versions for 6.2.10.5 style versions
IDE-1550 Added support for vaadin archetype for liferay portlets
Updated to new Sapphire ReferenceService API
corrected the content type of VaadinLiferayPortletDescriptorHelper
IDE-1537 ensure that java facet is 1.6 or greater
IDE-1546 added operation of updating descriptor file

maven project uses the lastest version of archetype, which may conflict
with user selected profile, remove <requires-namespaced-parameters>
element in liferay-portlet.xml of 6.1.x version jsf-portlet project.