Issue 117: Prepare for 0.9 release (#118)

* Sets the Pravega and Pravega Keycloak versions to 0.9.0.

Signed-off-by: Raúl <[email protected]>

Author: RaulGracia

gradle.properties

@@ -12,6 +12,6 @@ commonsCLIVersion=1.3.1
 commonsCSVVersion=1.5
 commonsMathVersion=3.6.1
 commonsIOVersion=1.3.2
-pravegaVersion=0.9.0-2636.c431acd-SNAPSHOT
-pravegaKeycloakVersion=0.8.0
+pravegaVersion=0.9.0
+pravegaKeycloakVersion=0.9.0
 slf4jSimpleVersion=1.7.14