Fix export user to excel (set excel file ext)
add function package admin module
Merge pull request #37 from thangbv/develop

Module Users
Merge pull request #36 from hoaquynhtim99/develop

Fix export user to excel (set excel file ext)
Merge pull request #14 from nukeviet/develop

Develop
Merge pull request #38 from thangbv/develop

Module Users
Merge pull request #15 from nukeviet/develop

Develop
fix site logo
Add file fomat code
http://wiki.nukeviet.vn/programming%3Arule
fix format code
system to be able to upgrade to the the edu gate system
Merge pull request #39 from vuthao/develop

Develop