Issue 6940: Change version on master branch to 0.14 (#6941)
Issue 6940: Change version on master branch to 0.14 (#6941)

As r0.13 has been created, upgrade Pravega version in gradle.properties to 0.14.0-SNAPSHOT.

Signed-off-by: Derek Moore <e68edaac8327cb62075629f62d9bc4abc8599304@dell.com>
pravega/pravega,pravega/pravega,pravega/pravega