Move a bunch of types to core

src/Linkifier.test.ts

@@ -4,7 +4,8 @@
  */
 
 import { assert } from 'chai';
-import { IMouseZoneManager, IMouseZone, ILinkMatcher, ITerminal, IBufferLine } from './Types';
+import { IMouseZoneManager, IMouseZone, ILinkMatcher, ITerminal } from './Types';
+import { IBufferLine } from './core/Types';
 import { Linkifier } from './Linkifier';
 import { MockBuffer, MockTerminal, TestTerminal } from './TestUtils.test';
 import { CircularList } from './common/CircularList';