Internet Explorer 8 complained about a missing "}" which prevented models to be displayed in process details view of activiti explorer. As far as I can see, IE is right concerning that missing "}", so I thought, I'd add it. Works for me now.

Fix taskService.saveAttachment (http://forums.activiti.org/content/taskservicesaveattachment-dosnt-work)

Lowered log level of CommandContext exception catching, as per ACT-1542 "CommandContext Logs and Re-throws Exceptions"

Fix for ACT-1690: "NPE when converting to BPMN a model with boundary event that is not attached to a task"

Since Activiti engine commits get picked by others, I've picked some of the few things that were pickable. Sad :(

Act-1691: programmatic update of process definition category + fixed to ScriptTaskListener on recent jdk's

removed unused imports, removed duplicated dependency, removed scope from parent pom, updated deprecated use of Asserts