engine/exchanges: Add exchange currency state subsystem (#774)

* state: Add management system (init)

* linter: fix

* engine: gofmt

* gct: after merge fixup

* documentation: add

* rpc: implement services for testing

* gctcli: gofmt state_management.go

* documentation: reinstate lost information

* state: Add pair check to determine trading operation

* exchanges: add interface for specific state scoped subsystem functionality

* engine/order_man: reduce code footprint using new method

* RPC: implement pair trading request and change exported name to something specific to state

* engine: add tests

* engine: Add to withdraw manager

* documentation: reinstate soxipy in contrib. list

* engine: const fake name

* Glorious: NITERINOS

* merge: fix issues

* engine: csm incorporate service name into log output

* engine: fix linter issues

* gct: fix tests

* currencystate: remove management type

* rpc: fix tests

* backtester: fix tests

* Update engine/currency_state_manager.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update engine/currency_state_manager.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/currencystate/currency_state.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/alert/alert.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/alert/alert.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* glorious: nits

* config: integrate with config and remove flag delay adjustment

* gctcli: fix issues after name changes

* engine: gofmt manager file

* Update engine/rpcserver.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* engine: Add enable/disable manager functions, add default popoulation for potential assets

* linter: fix

* engine/test: bump subsystem count

* Update engine/currency_state_manager.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* Update exchanges/bithumb/bithumb.go

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

* glorious: nits addressed

* alert: fix commenting for its generalized purpose

* glorious: nits

* engine: use standard string in log output

* bitfinex: apply patch, thanks @thrasher-

* bitfinex: fix spelling

* engine/currencystate: Add logs/fix logs

Co-authored-by: Scott <gloriousCode@users.noreply.github.com>

engine/withdraw_manager_test.go

@@ -25,6 +25,14 @@ func withdrawManagerTestHelper(t *testing.T) (*ExchangeManager, *portfolioManage
 	em := SetupExchangeManager()
 	b := new(binance.Binance)
 	b.SetDefaults()
+	cfg, err := b.GetDefaultConfig()
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = b.Setup(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
 	em.Add(b)
 	pm, err := setupPortfolioManager(em, 0, &portfolio.Base{Addresses: []portfolio.Address{}})
 	if err != nil {