jitsucom#863 Added documentation on running airbyte sources in kubern…

…etes.

jitsucom#872 Support "react-style" pattern in transformations: before…

… sending transformation result to destination, Jitsu should filter out all null's, undefined's, false's

javascript-sdk: get rid of "can't access property "length", i is unde…

…fined" error in browser console.

embedded.test.ts make sure that javascript-sdk doesn't produce unexpected console errors.
version bump to 2.5.3

fix fir query param id filter name

Fix for predefined javascript transformation function not working for…

… destinations: Google Analytics, Amplitude, Facebook

Fix "open : no such file or directory" error when connection to click…

…house destination

Fix for incorrect duration in source tasks table

Avoid multiline error messages. Remove repeated code

added PUT endpoint into v2/object API (jitsucom#802)

- implemented PUT endpoint for v2/object API
- added ID generation for v2/object API
- added Postgres connection parameters

Handle case when Airbyte config does not contain valid json and add l…

…ogs (jitsucom#801)

- handled case when Airbyte config does not contain valid JSON
- added more logs