Implement Logger (#228)

* Added new base logger

* updated example and test configs

* updated exchange helpers restful router & server

* logPath is now passed to the logger to remove dependency on common package

* updated everything besides exchanges to use new logger

* alphapoint to bitmex done

* updated bitmex bitstamp bittrex btcc and also performance changes to logger

* btcmarkets coinbase coinut exmo gateio wrappers updated

* gateio and gemini logger updated

* hitbtc huobi itbit & kraken updated

* All exchanges updatd

* return correct error for disabled websocket

* don't disconnect client on invalid json

* updated router internal logging

* log.Fatal to t.Error for tests

* Changed from fatal to error failure to set maxprocs

* output ANSI codes for everything but windows for now due to lack of windows support

* added error handling to logger and unit tests

* clear wording on print -> log.print

* added benchmark test

* cleaned up import sections

* Updated logger based on PR requests (added default config options on failure/setting errors)

* ah this should fix travici enc config issue

* Load entire config and clear out logging to hopefully fix travisci issue

* wording & test error handling

* fixed formatting issues based on feedback

* fixed formatting issues based on feedback

* changed CheckDir to use mkdirall instead of mkdir and other changes based on feedback

communications/telegram/telegram.go

@@ -7,11 +7,11 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"log"
 
 	"github.com/thrasher-/gocryptotrader/common"
 	"github.com/thrasher-/gocryptotrader/communications/base"
 	"github.com/thrasher-/gocryptotrader/config"
+	log "github.com/thrasher-/gocryptotrader/logger"
 )
 
 const (
@@ -87,7 +87,7 @@ func (t *Telegram) PollerStart() {
 	for {
 		resp, err := t.GetUpdates()
 		if err != nil {
-			log.Fatal(err)
+			log.Error(err)
 		}
 
 		for i := range resp.Result {
@@ -95,7 +95,7 @@ func (t *Telegram) PollerStart() {
 				if string(resp.Result[i].Message.Text[0]) == "/" {
 					err = t.HandleMessages(resp.Result[i].Message.Text, resp.Result[i].Message.From.ID)
 					if err != nil {
-						log.Fatal(err)
+						log.Error(err)
 					}
 				}
 				t.Offset = resp.Result[i].UpdateID