unified logging

A common logging library used by Symantec products and components to log information about errors and other events. CommandCentral Storage users can manage and view these logs using Symantec common log tools: <code>hallog</code>, <code>vxlogmgr</code>, <code>vxlogview</code>, <code>vxlogcfg</code>, and <code>vxloggen</code>.