* Space and bandwidth allocation check
* use proper config flag
* one more check + tests
* use monitor to check space and bandwidth
* remove unused field
* check during read/write
* fix linter
* fix pieceid
* remove unused methods
* revert unneeded change
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
