MyRedis supports mysql connection, query and store data.

Squashed commit of the following:

commit 0f90e3306f485c40bcae682a72e156a95a2fb649
Author: Junil Um <powerumc@gmail.com>
Date:   Sat May 10 01:54:12 2014 +0900

    added mysql components

commit 2b806dc0f9af8a05019a0f4ca1f61b552d3bc318
Author: Junil Um <powerumc@gmail.com>
Date:   Sat May 10 01:30:05 2014 +0900

    First MyRedis commited