Update warning message for missing required deps

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15009 : add more instructions for offline support

Signed-off-by: Fred Bricon <fbricon@gmail.com>
Bump parent version to 4.1.0.CR1-SNAPSHOT

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-15033 : new gatein examples reference

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