REST content type

Prevent name and description expressions to fail with an exception, instead using expression text as fallback

InterfaceParser changed in order to property locate the messageRef (with or without target namespace)

 - Tests changed in order to verify there is no process instance, job or task when the test is ended.

Fix the redirected URL when converting deploy process to editable model

Sync the fork

- improved the test for StartTimerEvent with End Date.
- small code refactoring in TimerEntity.

- adjusted MessageConverterTest and removed default namespace from message itemRef
- improved the TimerStartEvent test.

- improved the test for StartTimerEvent with End Date.
- small code refactoring in TimerEntity.

 - endDate should not be used in the calculation of the dueDate
 - some JUnit tests added (compatibility tests for the old configuration, endDate tests for StartEvent timer)
 - bug fixes: the job dueDate was wrongly calculated so the repeat interval was not respected in some cases.

fixed logging and description typos in JMX module

Match getLogger() classname parameter to actual classname

using custom XML mapped statements

Map exception

Added a method (processDefinitionKeyIn) in HistoricProcessInstanceQuery

Fix typo in user guide

updated custom task mapper to use custom columns