Version 1.1

Fixbug

- Upgrade Joomla ver 2.5.8
- Insert module Google Map into page Contact
- Upgrade module BT Login to version 2.4.3
- Upgrade K2 ver 2.6.2
- Upgrade module BT Slideshow ver 1.1
- Upgrade module BT Content Slider ver 1.5
- Upgrade module BT Facebook Like Page ver 1.2
- Fix some error of language
- Fix some error of content