JBIDE-16861 : use lighter blue for background selection highlight

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17204 : abandon identification when dialog is closed

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17112 : don't install portlet facet if missing web facet

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17112 : don't blow up when Portlet constraints are missing

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17153 : get Discovery && Example URLs from IPropertiesProvider

Signed-off-by: Fred Bricon <fbricon@gmail.com>