add whitelist of error_logger handlers not to delete when error_logger_redirect is true
Merge pull request #104 from tsloughter/error_logger_whitelist

add whitelist of error_logger handlers not to delete when error_logger_r...
Fix a couple bugs in tracing
Fix a regression about setting loglevel to 'none'
File backends started as part of a trace have a loglevel of 'none'
Fix for loglevel none in status
Merge pull request #105 from basho/adt-fix-tracing

Tracing without using parse transform.