Make it possible for CandlepinExceptions to not log from the CandlepinExceptionMapper. This is useful when a lengthy stacktrace is unnecessary, say for example a failed login attempt

revert unintended spacing changes

fix missing dependency

remove .gitignore changes
update gitignore to ignore .settings
fix checkstyle
Merge pull request #735 from dcrissman/configurable-exception-logging

Configurable exception logging