* rework discovery with async queues
* misc style changes
* increase max message size for large manifests
* use upraises and avoid exceptions on key access
* increase sleep time to 100 millis
* pass config
* make list blocks trigger a callback on each block
* check for nil on start/stop
* fix tests and split out discovery tests
* don't auto mount network
* add list block tests
* add discovery tests
* rework moc discovery
* move discovery moc to disc dir
* don't force logging syncs
* don't force moc discovery on all tests
* rework discovery with methods
* add top level utils file
* don't use asyncCheck
* don't pass entire blocks to list blocks calback
* spelling
Tanguy
Dmitriy Ryajov