Finally fix typed actor timeout.
Fix typedactor context.
Add buildin command define_target.
Fix compiler runtime deps.
Make ConfigCompiler work.
Start using berkeleydb for meta.
Impl BerkeleyDbImpl.
Impl simple version meta <-> bytes
Add rsync-filter.
Open meta db on start & close it on shutdown
Add FileHash.
Add MetaHelper.
Add back Globscanner.
Use meta to drive config regenerate/recompile.
Only exclude tmp/ lib/ in root dir.
Add rootInclude info into cookScala meta.
Add depRef info into cookByteCode meta.
Flush db to disk.
Add LogSourceProvider.
Debug log for ConfigEngine.