BZ-989519 Upgrades: quartz 1.6.1 to 1.8.5, netty 3.2.0 to 3.2.6, spring 3.0.6 to 3.0.7, ftpserver-core 1.0.4 to 1.0.6, commons-net 2.0 to 2.6 (to be in sync with switchyard) + refactor quartz's groupId
(cherry picked from commit 68e03b618eeee0af1a037a290f0407da13606a93)
form-modeler: extract all versions to kie-parent-with-dependencies (except for commons-logging which will be removed by pere's changes)
(cherry picked from commit 878f9be23ba4f9e99231a284ffdeb32a093679aa)
BZ-995133 migrated from commons-logging to slf4j
Merge branch '6.0.x' of https://github.com/droolsjbpm/jbpm-form-modeler into 6.0.x
BZ-995133 migrated from commons-logging to slf4j

Conflicts:
	jbpm-form-modeler-core/jbpm-form-modeler-service/jbpm-form-modeler-form-editor/src/main/java/org/jbpm/formModeler/components/editor/FormFieldEditionFormatter.java
BZ-995133 migrated from commons-logging to slf4j
removed unused dependency (commons-validator)
(cherry picked from commit 2289f90142ba3aa28c2fa289560758feaa93989a)
BZ-996099: fixed check that disabled addition of all DataHolder fields to form.
Merge remote-tracking branch 'origin/6.0.x' into 6.0.x
BZ-996966 Upgrade to jsp-api from 2.0 to 2.2 to avoid shadowing the el-api.
(cherry picked from commit ed3d2787f65da63bf8f704b85815fd8a4d94d888)
upgrade to 6.0.0.CR2