OpenWrt: Support for building with libmicrohttpd support
Merge branch 'httpsrv' into bfgminer
Bugfix: Repurpose "diff1" numbers to refer to only good nonces

This is compatible with latest cgminer use, and fixes HW% in RPC
Merge commit '169d333' into bfgminer
Abstract --sharelog option parsing
Nonce logging option --noncelog to simply store every nonce and its info
Bugfix: Correct timestamp in sharelog
Merge commit 'acfbf76' into bfgminer
Make failure to open sharelog or noncelog abort startup
Merge branch 'noncelog' into bfgminer