lint fixes
update definitions + bundled compiler + compile fixes for new compiler
fix tests to use new compiler (v1) generated javascript
removed `index` option since it was not compatible with TSC 1.0. This option was already deprecated in favor of transformers.

Reason:
If a file doesn't `export` anything it is an error in TSC v1. Previously it would compile silently
Merge pull request #100 from grunt-ts/feat/tscupgrade-v1

Feat/tscupgrade v1