Comments and warning/bug fixes in runtime and logging
executor.* docs
fixes in the convoy demo
minor fixes in runtime tests
Merge pull request #112 from d3scomp/newgen-keznikl

comments and small bugfixes in packages executor/runtime/logging
Merge pull request #110 from d3scomp/newgen-iliasg

KnowledgePathHelper complete with tests
* refactoring of runtime (replacing of KMs goes from RFBuilder to
RFImpl)

* invokeAndWait in Scheduler and RF interface
Merge pull request #113 from d3scomp/newgen-keznikl

runtime and scheduler updates
Merge remote-tracking branch 'remotes/origin/newgen' into newgen-iliasg