clarify docs on flushing and redirecting wrt exception and signal events
clarify docs on flushing and redirecting wrt exception and signal events

SVN-Revision: 1332

code4bones/dynamorio,code4bones/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,daksunt/dynamorio,daksunt/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,bl4ckic3/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,sigma-random/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio