Finally got rid of all compiler's warnings, cleaned up code here and there and added some TODOs
Implemented basic skeleton for storage support. This includes tests and events and StorageManager
Encapsulated and documented cws.core.dag.Tast class
Designed and created interfaces for global storage API. Briefly documented it in the code
JavaDoc type fix
Merge branch 'bryk-storage-first-run' of github.com:malawski/cloudworkflowsimulator into bryk-storage-first-run