JBIDE-17527 : revise Early Access disclaimer copy, take #273

Signed-off-by: Fred Bricon <fbricon@gmail.com>
replace >Available Software Sites< with Available Software Sites because it's not a link
JBIDE-17846 : use proper preferences to enable seam configuration

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17898 : add usage reporting on project created from examples

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17868 - Inactive enabled Back button on first page of install dialog from Central
JBIDE-14553 : possibility to change update policy and to enable snapshots

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-14553 : use enhanced for loop

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