Fix when compiling with the latest TypeScript (develop branch)

Latest TypeScript complains about Array type used without a generic parameter.

I suggest replacing Array with any[], which works for both old and new TypeScript versions.

  knockout.d.ts(171,47): ↵
  error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(172,76): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(200,36): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(202,36): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(204,38): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(363,110): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(489,71): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(490,66): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(491,90): error TS2173: Generic type references must include all type arguments. ↵
  knockout.d.ts(492,85): error TS2173: Generic type references must include all type arguments. ↵
Merge pull request #1274 from mihailik/patch-4

Fix when compiling with the latest TypeScript (develop branch)