Adding web-based Dockerfile
Merge pull request #4 from gullitmiranda/feature/web-based

Adding web-based Dockerfile
[web-based] Web-based now use azukiapp/ubuntu

```
-FROM ubuntu:14.04
+FROM azukiapp/ubuntu
``
Merge pull request #5 from gullitmiranda/feature/web_use_ubuntu_base

[web-based] Web-based now use azukiapp/ubuntu
Adding node image
Updating al README and Makefile files
Merge pull request #6 from gullitmiranda/feature/node

Adding node image
Updating ubuntu README
Updating ruby to azukiapp/node image

```
-FROM ubuntu:14.04
+FROM azukiapp/node
```
Updating ruby README
Merge pull request #7 from gullitmiranda/feature/ruby_use_web-based

Updating ruby to azukiapp/node image