* uplink/storage/segments: return error no optimal threshold
Return an error if the store get less uploaded pieces than the indicated
by the optimal threshold.
* satellite/metainfo: Fix gRPC status error & add reason
This commit fix the CommitSegment endpoint method to return an
"Invalid Argument" status code when uplink submits invalid data which is
detected when filtering invalid pieces by filterInvalidPieces endpoint
method.
Because filterInvalidPieces is also used by CommitSegmentOld, such
method part has been changed accordingly.
* An initial check in CommitSegment to detect earlier if uplink sends an
invalid number of upload pieces.
* Add more information to some log messages.
* Return more information to uplink when it sends a number of invalid
pieces which make impossible to finish the operation successfully.
* satellite/metainfo: Swap some "sugar" loggers to normal ones
Swap "sugar" loggers to normal ones because they impact the performance
in production systems and they should only be used under specific
circumstances which were none of the ones changed.
* rename pkg/linksharing to linksharing
* rename pkg/httpserver to linksharing/httpserver
* rename pkg/eestream to uplink/eestream
* rename pkg/stream to uplink/stream
* rename pkg/metainfo/kvmetainfo to uplink/metainfo/kvmetainfo
* rename pkg/auth/signing to pkg/signing
* rename pkg/storage to uplink/storage
* rename pkg/accounting to satellite/accounting
* rename pkg/audit to satellite/audit
* rename pkg/certdb to satellite/certdb
* rename pkg/discovery to satellite/discovery
* rename pkg/overlay to satellite/overlay
* rename pkg/datarepair to satellite/repair
