Merge pull request #422 from couchbase/feature/perf_automation2

Update config.json file
Add testChannelsFilter() test

Passing on master branch

https://github.com/couchbase/couchbase-lite-java-core/issues/292
Merge pull request #423 from couchbase/feature/perf_automation2

Add performanceTestsEnabled=false to test.properties to disable perf runs by default
Temp disable test

Fails on Jenkins, need to look into this
Remove unwanted debub output
Fix typos in README
Update submodules
Update config.json and fix liveQuery test case