JBIDE-13987 : prevent duplicate wizards

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14033 : make Central scale better on small screens

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14334-Adding the Show in Cheat Sheets action
JBIDE-14333 - have context sensitive parameterized commands with proper API
bump parent pom in master branch to Beta2

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