Balaji

Update Login.js

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alert message in Login component need to be changed

Fixes #2445 Refactor event sourcing

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Closes issue #2445 tasks done are * [x] remove the use of deprecated `JsonParser` * [x] use jackson `ObjectMapper` instead of `Gson` * [x] fixed some warnings

I have client id, client secret, access token, access token secret, bearer token, consumer key, consumer secret. But I need to get refresh token to make this ``` TwitterApi twitter...