Merge pull request #7 from 3stan/master

HighCardinalityInvertedIndex Bug Fix
Merge pull request #8 from 3stan/master

MultiValue Bug Fix + Compression Case
Fixed a bug in the AvroSegmentCreator. Added the federatedBroker
infrastructure
Added the federatedBroker
Merge branch 'master' of github.com:sensei-ba/sensei
Removed the federatedBrokerFrom the test
Fixed the federatedBroker Config
Merge branch 'master' of github.com:vzhabiuk/sensei
Added federated broker implementation
Override option for inverted indices