Update README.md
gitignore
Merge branch 'unstable' of https://github.com/skydb/sky into unstable
DUPSORT
Merge pull request #157 from skydb/dup

LMDB DUPSORT Support
Adds table agnostic event stream support.
Merge branch 'table_agnostic_event_stream' of https://github.com/snormore/sky into snormore-table_agnostic_event_stream

Conflicts:
	server/server_event_handlers.go
Adds support for actual streaming events.
Clean up streaming test.
Adds space padding to event stream test.
Clean up streaming tests.
add period flush test
extract streaming test client
cleaner streaming test client
remove debug prints
minor cleanup
Merge branch 'events_streaming' of https://github.com/snormore/sky into snormore-events_streaming

Conflicts:
	server/server_event_handlers.go
ExecutionEngine fix from snormore.
Use deferred txn.Commit() on read-only txns.
Increase Factorizer MaxSize