add aboutcontroller
Revert "add aboutcontroller"

This reverts commit 60c0f3fe94084eb8a29455485b1c6e605ace942d.
Revert "Revert "add aboutcontroller""

This reverts commit 0abfc270af5c2f98366e47493d3279caea6dbb3d.
only  aboutcontroller
Merge pull request #7 from nvchinh0014/Feature_35

Feature 35