Refactoring of Authentication SPI and Picketlink to use ProviderSessions

Refactoring of ProviderSessionFactory to support dependencies between components
Calling lifecycle methods
Removing KeycloakRegistry

pom.xml

@@ -91,6 +91,7 @@
         <module>core-jaxrs</module>
         <module>model</module>
         <module>integration</module>
+        <module>picketlink</module>
         <module>services</module>
         <module>social</module>
         <module>forms</module>