Add ansible role for hubot

- [x] setup host hubot.pydelhi.org
- [x] setup prerequisites
- [ ] make it working

__References:__
1. https://github.com/nandub/hubot-irc
2. https://github.com/github/hubot

Author: Saurabh Kumar

CHANGELOG.md

@@ -4,6 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased][unreleased]
 ### Added
+- Ansible role for setting up hubot (#8)
 - Ansible galaxy integration (#9)
 - Add .travis.yml for running CI test
 - Add getting up and running documentation

playbook.yml

@@ -4,3 +4,4 @@
 
   roles:
   - common
+  - hubot

requirements.yml

@@ -2,3 +2,9 @@
 
 # https://github.com/yatesr/ansible-timezone
 - src: yatesr.timezone
+
+# https://galaxy.ansible.com/list#/roles/6
+- src: bennojoy.redis
+
+# https://galaxy.ansible.com/list#/roles/6
+- src: nickjj.nodejs

roles/hubot/meta/main.yml

@@ -0,0 +1,4 @@
+---
+dependencies:
+  - { role: bennojoy.redis}
+  - { role: nickjj.nodejs, tags: node }

roles/hubot/tasks/main.yml

@@ -0,0 +1,4 @@
+---
+# roles/hubot/tasks/main.yml
+- name: set system locale
+  command: update-locale LC_ALL={{ lc_all }} LANG={{ lang }} LC_CTYPE={{ lc_ctype }} LC_COLLATE={{ lc_collate }}