OPS-1278 Create role to install MySQL locally that is not experimental

playbooks/roles/mysql/defaults/main.yml

 ---
 mysql_debian_pkgs:
-  - software-properties-common
+  - mysql-server
   - python-mysqldb
-  - "mysql-server=5.6.*"
+  

playbooks/roles/mysql/tasks/main.yml

 ---
-- name: Add MySQL experimental apt key
+- name: Add MySQL community apt key
   apt_key:
-    id: 4F4EA0AAE5267A6C
+    id: 8C718D3B5072E1F5
     keyserver: "{{ COMMON_EDX_PPA_KEY_SERVER }}"
     state: present
-    
-- name: Install apt repository
+
+- name: Install MySQL community apt repositories
   apt_repository:
-    repo: 'deb http://ppa.launchpad.net/ondrej/mysql-experimental/ubuntu precise main'
+    repo: "{{ item }}"
     update_cache: yes
+  with_items:
+    - "deb http://repo.mysql.com/apt/ubuntu/ precise mysql-5.6"
+    - "deb-src http://repo.mysql.com/apt/ubuntu/ precise mysql-5.6"
 
-- name: install mysql 56 and dependencies
+- name: Install mysql-5.6 and dependencies
   apt: 
     name: "{{ item }}" 
-    install_recommends: yes 
-    force: yes 
+    install_recommends: yes
+    update_cache: yes
     state: present
   with_items: mysql_debian_pkgs
 
-- name: start mysql
+- name: Start mysql
   service: 
     name: mysql 
     state: started