i#915: handle crashes in private library entry routines.
i#915: handle crashes in private library entry routines.

This uses the new TRY_EXCEPT_ALLOW_NO_DCONTEXT support during init
from i#350, and the re-ordering of Ki interception to before
loader_init().

SVN-Revision: 1979

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