UPGRADE: mpr
FIX: missing %l in access log
FEATURE: add |time filtering on client mapping
FEATURE: Split error and request logs.

Add tags to mprLog, mprError
Rename mprTrace to mprDebug
CLEAN: after error log upgrade
FIX: httpTrace using right event number
FIX: mprRawLog in mprSsl
FIX: comp warnings
FIX: compiler warnings
FIX: Support null host in httpLogRoutes
FIX: remove mprError
REFACTOR: logging
FIX: re-enable mprSetCmdlineLogging
UPGRADE: osdep with EPROTO fix
FIX: trace message date stamps
CLEAN: remove debug trace and add httpTrace calls
FIX: Call to httpError in actionHandler.
FEATURE: Add HttpConn.reqData for managed request state.
REFACTOR: cleanup trace and logging.
FIX: build http command for all platforms