Merge pull request AppsFlyerSDK#173 from AppsFlyerSDK/releases/6.x.x/…

…6.3.x/6.3.20

Releases/6.x.x/6.3.x/6.3.20

6.3.0

6.3.0

6.2.60

6.2.60

6.2.42

6.2.42

6.2.41

6.2.41

6.2.40

6.2.40

6.2.30

6.2.30

6.2.20

6.2.20

6.2.10

6.2.10

6.2.0

6.2.0