Add EXCLUSIVE_LOCKS_REQUIRED for auxpow miner.
Add EXCLUSIVE_LOCKS_REQUIRED for auxpow miner.

Define some functions in auxpow miner as EXCLUSIVE_LOCKS_REQUIRED(cs),
when they call AssertLockHeld.  This otherwise fails static analysis
of clang.

namecoin/namecoin-core,pataquets/namecoin-core,pataquets/namecoin-core,namecoin/namecore,pataquets/namecoin-core,domob1812/namecore,domob1812/namecore,namecoin/namecore,namecoin/namecore,domob1812/namecore,domob1812/namecore,namecoin/namecore,namecoin/namecoin-core,pataquets/namecoin-core,domob1812/namecore,namecoin/namecoin-core,namecoin/namecoin-core,namecoin/namecoin-core,domob1812/namecore,namecoin/namecore,namecoin/namecore,pataquets/namecoin-core,pataquets/namecoin-core,namecoin/namecoin-core