Set version to 2.13.1-SNAPSHOT

Auth refactoring (#903)

* Added scalecube-security-vault
* Enhanced Secured annotation with roles and permissions attributes
* Removed ConnectionSetup
* Updated Principal
* Fixed Reflect
* Fixed Principal
* Enhanced RequestContext
* Cleanup
* Added javadocs
* Fixed StaticAddressRouter
* Moved ServiceMethodDefinition to different package
* Added ServiceRolesProcessor
* Added RequestContext.deferSecured()
* Moved PrincipalMapper, CredentialsSupplier, Authenticator to ".auth" package
* Moved ServicePrincipal to "io.scalecube.services.auth"
* Added NPEs checks to services-security module
* Cosmetic change in ServiceMethodInvoker
* Cosmetic changes, smarter logging for Principal.NULL_PRINCIPAL
* Removed validation of message in ServiceMethodInvoker.toRequest()
* Enhanced audit logging
* Enhanced StaticAddressRouter
* Changed signature of CredentialsSupplier, added more responsibility to ServiceTokenCredentialsSupplier
* Added toString
* Added CredentialsSuppliers
* Moved annotation `@Secured` to service level, added new attribute `deferSecured: true (default)`, enhanced SMI -> now it looks after deferSecured flag
* Removed strange toForbiddenException
* Set scalecube-security -> 1.1.1

[maven-release-plugin] copy for tag release-2.13.1

[maven-release-plugin] copy for tag release-2.12.7

Removed strange toForbiddenException

Added useful methods for ServiceTokenCredentialsSupplier

Changed signature of CredentialsSupplier, added more responsibility t…

…o ServiceTokenCredentialsSupplier

Enhanced StaticAddressRouter

Added javadocs for PrincipalMapper

Enhanced .close() in WebsocketGatewaClientTransport