Bump io.netty -> 4.2.6.Final (#932) * Bump io.netty -> 4.2.6.Final * Bump scalecube-cluster -> 2.7.4

[maven-release-plugin] copy for tag release-2.13.7 

[maven-release-plugin] copy for tag release-2.13.6 

Enhnanced file-upload (#931) 

Merge pull request #923 from scalecube/enhance-bidirectional-communic… …ation Added file-upload functionality

[maven-release-plugin] copy for tag release-2.13.5 

Added ITs for HttpGatewayAuthenticatorTest 

Added HttpGatewayAuthenticator 

Made tests work 

Merge pull request #921 from scalecube/bump-security Bump scalecube-security -> 1.1.4