JBPM-4029 - Improve gateway handling when inside a loop
- adding TIMESTAMP to dates inside TaskImpl
JBPM-4029 - Improve gateway handling when inside a loop - keep track of iteration over nodes
fix test for new RuleFlowGroups
changed org.jboss.netty to io.netty
- reverting back timestamps in TaskDataImpl
- updating potential owners queries
Revert "changed org.jboss.netty to io.netty"

This reverts commit f5b09b5066989a92e8c05d4130f921d5e82e80dd.

The kie-wb failed after the upgrade of netty.
The decision was to undo this change.
fix test calculating the actual size of a RuleFlowGroup before and after a clear
 - updating jbpm-installer
 - updating jbpm-installer to use jboss-as-7.1.1 by default
fix tests running phreak
fix tests running phreak
added local ht work item handler for backward compatible usage that uses ksession and task service directly
JBPM-4029 - Improve gateway handling when inside a loop - cleanup and improvements
-adding new users and roles for the HR example
-fixing JBoss AS download link
-fixing Mac OSX installer
 - reverting change to .classpath of jbpm-examples
 - small fixes / improvements to checklist example
 - remove use of generics from checklistUI
allow setting strategy on KmoduleDeploymentUnit
[DROOLS-7] ignore timer tests using fireAllRules