[#8] Fix to gulp.js to make task execution synchronous.
[#8] Update readme with local server details.
[#8] Removed superfluous server js file, updated package.json as well.
[#8] Added support for multiple npcs in the props of the app.
Merge branch 'issue_8_multiple_npcs'

* issue_8_multiple_npcs:
  [#8] Added support for multiple npcs in the props of the app.
  [#8] Removed superfluous server js file, updated package.json as well.
  [#8] Update readme with local server details.
  [#8] Fix to gulp.js to make task execution synchronous.