JBIDE-15836 : remove the Maven Profile Management UI modules

Signed-off-by: Fred Bricon <fbricon@gmail.com>
remove org.jboss.tools.maven.profiles.test from org.jboss.tools.maven.test.feature/feature.xml (JBIDE-16666)
JBIDE-16760 : don't dispose maven dependencies when closing conversion wizard

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-16762 : Rename Cancel button in dependency conversion wizard

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