Refactored providers
Added StringCreator
Fixed distribution (not included providers)
Added AbstractIterator
Apache Http Invoker: 'Path' could be passed in query
revert clocks toString method
comparison issue
Merge pull request #173 from amikryukov/issueJFG-366

JFG-366 revert clocks toString method
Merge pull request #171 from amikryukov/http-invoker

Apache Http Invoker: 'Path' could be passed in query
Merge pull request #170 from nmusienko/new_providers

Refactored providers
Merge github.com:griddynamics/jagger into issueJFG-366