fix(zone.js): error in Safari, Added Typings (#221)

* Changed tsconfig.json to match tsconfig schema

* Change package.json to include all necessary packages for this package

* Added type for EventEmitter

* Fix for zone.js error "More tasks executed then were scheduled" in Safari, explicit call of NgZone not required in zone.js ^0.6.12

* Added type information for methods in FileUploader

* Added type information for methods in FileItem

* Added type information for methods in FileUploader

* Removed codelyzer / eslint according to PR valor-software/ng2-file-upload#221

package.json

@@ -65,6 +65,7 @@
     "conventional-github-releaser": "1.1.2",
     "copy-webpack-plugin": "3.0.1",
     "cpy-cli": "1.0.1",
+    "del": "^2.2.0",
     "del-cli": "0.2.0",
     "es6-promise": "3.1.2",
     "es6-shim": "0.35.0",