New threaded device probe framework
Make detectone_meta_info thread-local
DevAPI: add_cgpu: Use mutex to ensure thread safety
lowlevel: Add match variants of detect functions
fpgautils: Wrapper to easily adapt an old detectone to new lowl_probe
bitforce: Convert to lowl_probe
klondike: Convert to lowl_probe
modminer: Convert to lowl_probe
nanofury: Convert to lowl_probe
x6500: Convert to lowl_probe
ztex: Convert to lowl_probe
bigpic: Convert to lowl_probe
cairnsmore/erupter/icarus: Convert to lowl_probe
avalon: Convert to lowl_probe
hashbuster: Convert to lowl_probe
littlefury: Convert to lowl_probe
Bugfix: scan-serial: Compare dev_t as well
Merge branch 'uniscan2' into bfgminer