CASC-202

migrated some to SLF4J
Merge branch 'master' into CASC-202
CASC-202

migration to SLF4J
CASC-202

convert Commons Logging to SLF4J.  Add Enforcer.
Fix formatting of pom.xml and update licensing to match CAS project.
Merge pull request #35 from battags/CASC-202

CASC-202 Migrate Commons Logging to SLF4J

Migrated to SLF4J, updated License header to match main CAS project, and re-ran script.