changed CAS version

removed -SNAPSHOT to get desired version of CAS code
Revert "changed CAS version"

This reverts commit 546763ec1ae987e9dc0dc2d7e6a486d0cecaa91d.
changed cas.version value in pom to remove -SNAPSHOT and fix build errors
Merge pull request #5 from cfont/update-cas-version

Update cas version to 4.0.0-RC4