Returned curvy sequence flows, modified label position for flow, added text annotations, associations
Added associations, annotations, changed label to multiline text
Moved label from the center of sequence flow using labels x and y positions.
Calculate maximum values for artifacts and associations
Custom namespace attributes

Implementation for Process and UserTask.
We should consider to move all custom attributes to
BaseElement.attributes.
merge fix
Custom namespace attributes - blacklist parsing
Merge with master
Merge branch 'ca-3' of https://github.com/martin-grofcik/Activiti
small changes to pull request
Make private interface DeleteOperation public

+ make its implementations BulkDeleteOperation, CheckedDeleteOperation
public too.
Removed commons-io dependency from simple-workflow-alfresco
Merge pull request #152 from martin-grofcik/ca-3

Make private interface DeleteOperation public
Merge remote-tracking branch 'upstream/master'