Add Cassandra Store#360

Merged

feast-ci-bot merged 5 commits intofeast-dev:v0.3-branchfrom

smadarasmi:FES-14

Jan 8, 2020

Commits on Jan 3, 2020

create cassandra store for registration and ingestion
smadarasmi
committed
add default expiration to cassandra config for when featureset does not have max age
smadarasmi
committed
add cassandra serving service
smadarasmi
committed
update documentation to reflect current API and add cassandra store to docs
smadarasmi
committed
docs update, spotless check, and bug fix on cassandra schema
smadarasmi
committed