switched to showing HTML content representation in an iframe, added white page as default icon for artifacts in the tree, removed unused class Artifact, added icon for HTML artifacts

switched back to loading tabs as json, added HTML files to FS connector, added different rendering of different content representation based on their renderInfo attribute

Updated JPA chapter in userguide + removed unneeded fetch of ByteArrayEntity when deleting VariableInstanceEntity

removed references to SessionUtil in Cycle REST API webscripts and switched over to using the utility methods in CycleServiceDbXStreamImpl

ACT-209 createTime exposed on Task interface + querying possible for tasks created on/before/after given date

refactored cycle API, added RenderInfo to provide standard set of available views for plug-ins, changed the content-type definition by using a mixin interface to add extensibility to the set of standard content-types, refactored API according to these changes, adapted the UI/REST component accordingly

Improved TaskCandidateTest by getting the task fresh from the user's task list after claiming it from a candidate task list

Added new methods getArtifactLinks and addArtifactLinks.

Deleted class CycleLinkTarget.
Changed types.

Replaced event url json encoding with a simpler version that makes the url's a bit shorter and more readable in some browsers

- Fixed bug where /management/jobs rest call ignored the boolean parameters
- Made badly formatted boolean parameters return status 400 
- Added pagination to /user/{userId}/groups & /group/{groupId}/users responses