chore(build): ng2 style guide applied,

- build process updated
- systemjs bundler added

BREAKING CHANGES:
- directives and selectors renamed to ng2FileSelect and ng2FileDrop

.eslintrc.json

@@ -0,0 +1,6 @@
+{
+  "extends": "./node_modules/eslint-config-valorsoft/.eslintrc.json",
+  "env": {
+    "node": true
+  }
+}