Cloud unification: fixed bug in PLGridFacade
Merge branch 'cloud-unification' of https://github.com/Scalarm/scalarm_experiment_manager into cloud-unification
Bug fixing in PLGrid Facade
Added experiment_size bug fix from master
Merge remote-tracking branch 'origin/cloud-unification'

Conflicts:
	app/models/infrastructure_facades/pl_grid_facade.rb