Ignore empty packages in agent queue
JFG-469 Refactor InformationCollector
Fix exchangeClient logs
Merge pull request #273 from kgribov/AgentEmptyPackages

Don't store empty agent packages
Merge pull request #272 from kgribov/master

JFG-469 Refactor InformationCollector
Merge branch 'master' of github.com:griddynamics/jagger into new-table