partial repo ui reimplementation
import of repo uis
refactoring of wf_executor for templates
refactoring of wf_executor
partial refactoring
partial reimplementation of the wf engine
child wf execution (LaunchWorkflowJobNode)
partial implementation of child wf execution
form fields validation
ref params
set node params
cleaning
partial ui refactoring
partial reimplementation
added javadoc
added MultiBlackboardJobNode
1.2.0 branch