Update to TypeScript 1.3

Update to TypeScript 1.3
Fix --noImplicitAny errors
Maybe this is correct, but I'm not sure what it means? What's this "+" for? I've tried removing it and I receive the following warning:
D:/Work/icenium-cli/lib/services/plugins-service.ts(83,64): error TS7017: Index signature of object type implicitly has an 'any' type.