Changing version to 1.5.2-SNAPSHOT to not conflict
SenseiJavaSerializer that can easily be accessed from sensei's config system.
Configuring sensei purge filters
Support null in facet handler params
Changing version to 1.5.2-SNAPSHOT to not conflict
SenseiJavaSerializer that can easily be accessed from sensei's config system.
Support null in facet handler params

Conflicts:
	sensei-core/src/main/java/com/senseidb/search/req/SenseiRequestProtoSerializer.java
Fixing facet handler params
Creating the scheduled executor
Merge branch 'cnc-purge' into cnc

Conflicts:
	sensei-core/src/main/java/com/senseidb/search/req/SenseiRequestProtoSerializer.java
Really reverting all changes to result merger