added external object support in relevance model
fixed bug and added test case
minor fix for comment
fix the package import bug
added sensei plugin integration for external relevance object
added one more test case for senseiplugin integration
add totaldocs metrics.
Fixed some minor BQL issues, related to relevance integration
Refactored the activity engine. Added support for float activity values
fix the bug of _NOW keyword
added bug fix for keyword _NOW
A partial work on Zeus prototype
Added partial Zeus implementation
The intitial implementation of the Sensei Business Analytics prototype
Refactored the activity engine. Added support for float activity values
Merge branch 'master' of https://github.com/senseidb/sensei
Merge branch 'master' of https://github.com/sguo/sensei
Added activity configuration
pick up new bobo with BigSegmentedArray count array
fixed the bug that parsedquery could be null when only few data is inserted into sensei