Introduce Appenders and Loggers.

package.json

@@ -111,7 +111,7 @@
     "boom": "2.8.0",
     "brace": "0.5.1",
     "bunyan": "1.7.1",
-    "chalk": "1.1.3",
+    "chalk": "2.0.1",
     "check-hash": "1.0.1",
     "color": "1.0.3",
     "commander": "2.8.1",

packages/@elastic/kbn-types/index.ts

@@ -2,4 +2,4 @@ export {
   KibanaFunctionalPlugin,
   KibanaPlugin
 } from '../../../platform/server/plugins/types';
-export { Logger } from '../../../platform/logger';
+export { Logger } from '../../../platform/logging';

platform/config/ConfigService.ts

@@ -2,7 +2,7 @@ import { Observable } from 'rxjs';
 import { get, isEqual } from 'lodash';
 
 import { Env } from './Env';
-import { Logger, LoggerFactory } from '../logger';
+import { Logger, LoggerFactory } from '../logging';
 import * as schema from '../lib/schema';
 import { ConfigWithSchema } from './ConfigWithSchema';
 

platform/config/__tests__/ConfigService.test.ts

@@ -2,7 +2,7 @@ import { BehaviorSubject } from 'rxjs';
 
 import { ConfigService } from '../ConfigService';
 import { Env } from '../Env';
-import { logger } from '../../logger/__mocks__';
+import { logger } from '../../logging/__mocks__';
 import { Schema } from '../../types';
 import * as schemaLib from '../../lib/schema';