ACT-1822

MultiInstance loopIndexVariable support
Add missing info to 10 minute tutorial
add test case for act-1712
fix act-1712
fix executionListeners in subProcess

execution listeners on sub process were moved to the main process when
parsing the bpmn model. this commit provides a fix and also extends then
test case for parsing sub processes.
ACT-1822 xsd for elementIndexVariable
Added additional output format for share module config XML