Standardizing logging levels and making them configurable with system properties
Standardizing logging levels and making them configurable with system properties

Addresses: https://www.pivotaltracker.com/story/show/69859530

awoods/fcrepo-module-auth-rbacl,peichman-umd/fcrepo-module-auth-rbacl,fcrepo4/fcrepo-module-auth-rbacl,whikloj/fcrepo-module-auth-rbacl,mohideen/fcrepo-module-auth-rbacl,fcrepo4-exts/fcrepo-module-auth-rbacl