* swarm/network: Revised depth calculation with tests
* swarm/network: WIP remove redundant "full" function
* swarm/network: WIP peerpot refactor
* swarm/network: Make test methods submethod of peerpot and embed kad
* swarm/network: Remove commented out code
* swarm/network: Rename health test functions
* swarm/network: Too many n's
* swarm/network: Change hive Healthy func to accept addresses
* swarm/network: Add Healthy proxy method for api in hive
* swarm/network: Skip failing test out of scope for PR
* swarm/network: Skip all tests dependent on SuggestPeers
* swarm/network: Remove commented code and useless kad Pof member
* swarm/network: Remove more unused code, add counter on depth test errors
* swarm/network: WIP Create Healthy assertion tests
* swarm/network: Roll back health related methods receiver change
* swarm/network: Hardwire network minproxbinsize in swarm sim
* swarm/network: Rework Health test to strict
Pending add test for saturation
And add test for as many as possible up to saturation
* swarm/network: Skip discovery tests (dependent on SuggestPeer)
* swarm/network: Remove useless minProxBinSize in stream
* swarm/network: Remove unnecessary testing.T param to assert health
* swarm/network: Implement t.Helper() in checkHealth
* swarm/network: Rename check back to assert now that we have helper magic
* swarm/network: Revert WaitTillHealthy change (deferred to nxt PR)
* swarm/network: Kademlia tests GotNN => ConnectNN
* swarm/network: Renames and comments
* swarm/network: Add comments
* p2p/simulation: WIP minimal snapshot test
* p2p/simulation: Add snapshot create, load and verify to snapshot test
* build: add test tag for tests
* p2p/simulations, build: Revert travis change, build test sym always
* p2p/simulations: Add comments, timeout check on additional events
* p2p/simulation: Add benchmark template for minimal peer protocol init
* p2p/simulations: Remove unused code
* p2p/simulation: Correct timer reset
* p2p/simulations: Put snapshot check events in buffer and call blocking
* p2p/simulations: TestSnapshot fail if Load function returns early
* p2p/simulations: TestSnapshot wait for all connections before returning
* p2p/simulation: Revert to before wait for snap load (5e75594)
* p2p/simulations: add "conns after load" subtest to TestSnapshot
and nudge
* swarm/shed: add metrics to each shed db
* swarm/shed: push metrics prefix up
* swarm/shed: rename prefix to metricsPrefix
* swarm/shed: unexport Meter, remove Mutex for quit channel
* swarm/network: Hive - do not notify peer if discovery is disabled
* p2p/simulations: validate all connections on loading a snapshot
* p2p/simulations: track all connections in on snapshot loading
* p2p/simulations: add snapshotLoadTimeout variable
* p2p/simulations: ignore control events in snapshot load
* p2p/simulations: simplify event loop synchronization
* p2p/simulations: return already connected error from Load function
* p2p/simulations: log warning on snapshot loading disconnection
* swarm/network/stream/: added stream protocol version match tests
* Increase BZZ version due to streamer version change; version tests
* swarm/network: increased hive and test protocol version
- Replace "crypto/rand" to "math/rand" for files content generation
- Remove swarm/network_test.go.Shuffle and swarm/btm/btm_test.go.Shuffle - because go1.9 support dropped (see https://github.com/ethereum/go-ethereum/pull/17807 and comments to swarm/network_test.go.Shuffle)