fix act-1839
Optimize CdiTaskListener to get ProcessDefinition from cache and not
execute an additional command.
[ACT-1848] Handle MultiInstanceActivityBehaviors
[ACT-1339] Calling ActivityEndListeners within an AtomicOperation.
Add wildcards to osgi import with resolution:=optional

The manifest generation will only apply the optional resolution to the exact package defined (e.g. com.fasterxml;resolution:=optional will apply resolution:=optional to com.fastexml but not to com.fasterxml.uuid). When deploying activiti-engine, karaf complains about missing bundles (junit, drools, com.fasterxml.uuid) that are supposed to be optional.
Listener export in progress
Merge branch 'master' of https://github.com/Activiti/Activiti
initial changes to support improved spring support .
initial commit of updates to Spring API.
updated to Spring 4.
small tweaks.
Added support for event-listeners in activiti modeler
fix act-1589
Reference userId in Attachment
fix ACT-1589
finalize act-1589
merged
Fix for  handling timestamp milliseconds precision fix on MySQL 5.5 (which can’t handle it)
Merge branch 'master' of https://github.com/Activiti/Activiti
Tx Tijs for catching amateuristic bugs in last commit