[JBIDE-17599] Revert 'installed' check box label in JBoss Central Update tab

Inverted checkbox from Hide to Show.
For details see https://issues.jboss.org/browse/JBIDE-17538.
Remove duplicate of parent version

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17527: Improved disclaimer
JBIDE-16303 : add new 'maven clean verify' menu

Signed-off-by: Fred Bricon <fbricon@gmail.com>
disable API Analysis builder and nature (currently not enforced)

Signed-off-by: Fred Bricon <fbricon@gmail.com>
JBIDE-17610 : rename 'Enable Early-Access' check box to 'Show Early-Access'

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