GG-8521 GridStreamerExecutionBatch argument validation
#GG-8521 Minor
Merge remote-tracking branch 'remotes/origin/sprint-27' into gg-8521
Merge remote-tracking branch 'remotes/origin/sprint-27' into gg-8521
gg-hdp - exec service
#gg-hdp - exec service fix
#gg-8907
#gg-hdp - exec service fix
Merge branches 'gg-8907-2' and 'sprint-27' of https://github.com/ggprivate/ggprivate into gg-8907-2
Merge branch 'gg-hdp' of https://github.com/ggprivate/ggprivate into gg-8907-3
#gg-8907 - main code refactoring
#Merge branch 'sprint-27' into gg-8907-2
Merge branches 'gg-8521' and 'sprint-27' of github.com:ggprivate/ggprivate into gg-8521
GG-8521 review
#gg-8907-3 - class loader
#gg-8907 - task execution
#Merge branch 'sprint-27' into gg-8907-2

Conflicts:
	pom.xml
Merge branch 'sprint-27' of https://github.com/ggprivate/ggprivate into gg-8907-3
#gg-8907 - fix build
Merge branch 'gg-8907-2' of https://github.com/ggprivate/ggprivate into gg-8907-3