use kpse for texmf lookups (again...)
sync with Context as of 2013-05-27
implement kpse-only font resolver
install kpse lookup
provide hook for custom font resolver
fix bug that erased the db when suppressing updates
prepare db structure for texmf prioritization
restructure db
adapt file lookups
add option prefer-texmf to luaotfload-tool
log duplicate fonts
have file locator return the filename when known fonts are specified without extension
use unbuffered stdout
rebuild filename lookup table upon --force
copy old filenames table if now new fonts were found
collect second-tier candidates when matching fontnames
reorganize db record structure
fix name fallback
differentiate more name fields when matching

finally resolves “eb garamond 12” as *eb garamond 12 regular*
redo blacklist building

allow blacklisting of directories