Merge pull request #3 from nukeviet/develop

Update code from nukeviet shops (03/04/2014)
Format code
Update setting items per_row
Update theme for mail
Update template view grid
Update template view list
Update template show by cat
Update template view home group
Update search template
Update search template
Update cart tenplate
Update cart template
Update order template
Update payment template
Update print template
PHP files - Remove Closing the PHP tag
Update history order template
Merge pull request #15 from hongoctrien/develop

Update theme for main