New logging system (#319)

* First pass at adding new logging system

* NewLogger

* NewLogger

* WIP

* silly bug fix

* :D removed files

* removed old logging interface

* added tests

* added tests

* Started to add new lines to all f calls

* Added subsystem log types

* Logger improvements

* Further performance improvements

* changes to logger and sublogger creation

* Renamed Logging types

* removed old print statement

* changes based on feedback

* moved sublogger types to own file

* :)

* added console as output type

* added get level command

* added get/set log level via grpc command

* added check for output being empty for migration support

* first pass at log rotation

* added log rotation

* :D derp fixed

* added tests

* changes based on feedback

* changed log type

* comments

* renamed file -> fileSettings

* typo fix

* changes based on feedback

* gofmt ran on additional files

* gofmt ran on additional files

gctrpc/rpc.swagger.json

@@ -480,6 +480,30 @@
         ]
       }
     },
+    "/v1/getloggerdetails": {
+      "get": {
+        "operationId": "GetLoggerDetails",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/gctrpcGetLoggerDetailsResponse"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "logger",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "GoCryptoTrader"
+        ]
+      }
+    },
     "/v1/getorder": {
       "post": {
         "operationId": "GetOrder",
@@ -732,6 +756,32 @@
         ]
       }
     },
+    "/v1/setloggerdetails": {
+      "post": {
+        "operationId": "SetLoggerDetails",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/gctrpcGetLoggerDetailsResponse"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/gctrpcSetLoggerDetailsRequest"
+            }
+          }
+        ],
+        "tags": [
+          "GoCryptoTrader"
+        ]
+      }
+    },
     "/v1/simulateorder": {
       "post": {
         "operationId": "SimulateOrder",
@@ -1371,6 +1421,27 @@
         }
       }
     },
+    "gctrpcGetLoggerDetailsResponse": {
+      "type": "object",
+      "properties": {
+        "info": {
+          "type": "boolean",
+          "format": "boolean"
+        },
+        "debug": {
+          "type": "boolean",
+          "format": "boolean"
+        },
+        "warn": {
+          "type": "boolean",
+          "format": "boolean"
+        },
+        "error": {
+          "type": "boolean",
+          "format": "boolean"
+        }
+      }
+    },
     "gctrpcGetOrderRequest": {
       "type": "object",
       "properties": {
@@ -1742,6 +1813,17 @@
     "gctrpcRemovePortfolioAddressResponse": {
       "type": "object"
     },
+    "gctrpcSetLoggerDetailsRequest": {
+      "type": "object",
+      "properties": {
+        "logger": {
+          "type": "string"
+        },
+        "level": {
+          "type": "string"
+        }
+      }
+    },
     "gctrpcSimulateOrderRequest": {
       "type": "object",
       "properties": {