chore(build): ng2 style guide applied,

- build process updated
- systemjs bundler added

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

gulp-tasks/lint.js

@@ -1,23 +1,18 @@
-var gulp = require('gulp');
-var esLint = require('gulp-eslint');
-var tslint = require('gulp-tslint');
+'use strict';
 
-var paths = gulp.paths;
+const gulp = require('gulp');
+const tslint = require('gulp-tslint');
+const paths = gulp.paths;
 
-gulp.task('eslint', function() {
-  return gulp.src(paths.jssrc)
-    .pipe(esLint({useEslintrc: true}))
-    .pipe(esLint.format())
-    .pipe(esLint.failOnError());
-});
+gulp.task('tslint', () =>
+gulp
+  .src(paths.tssrc)
+  .pipe(tslint())
+  .pipe(tslint.report('prose', {
+    emitError: true,
+    summarizeFailureOutput: true,
+    reportLimit: 50
+  }))
+);
 
-gulp.task('tslint', function() {
-  return gulp.src(paths.tssrc)
-    .pipe(tslint())
-    .pipe(tslint.report('verbose', {
-      emitError: true,
-      reportLimit: 0
-    }));
-});
-
-gulp.task('lint', ['tslint', 'eslint']);
+gulp.task('lint', ['tslint']);