* 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
What: add monkit.Task to a bunch of functions that are missing it
Why: this will significantly help our instrumentation, data collection, and tracing about what's going on in the network
This change adds satellite endpoint for receiving OrderLimits sent by storage node.
Change includes:
* wire up orders sender in storage node (also in testplanet)
* saving serial number for OrderLimit in serial_numbers table
* satellite endpoint for receiving, verifying and storing OrderLimit and Order serial number
* initial implementation for Orders DB
* basic test for sending orders to satellite
